Cashew nuts, a highly sweet product of the cashew tree, have became popular in North America as well as Europe not just because of their delicious taste but also for health advantages, too. Whether roasted, salted, sugared or even covered in chocolate, the cashew nut, frequently utilized as a scrumptious enhance to appetizers, main dishes as well as deserts, packs a mixture of nutrition and minerals not present in many common foods.
Cashew nuts, indigenous to tropical South America, are in fact seeds, found growing on the end of the cashew apple, an edible as well as nutritional rich South American treat which is too delicate to export to North America or Europe .Commonly known by the botanical name Anacardium occidentale, the cashew is actually a close relative of mangos, pistachios, poison ivy and poison oak. It was initially introduced on the worldwide scale by Portuguese explorers in South America within the 16 th century, but international trade didn’t take off before the 1920s.Also known as “nature’s vitamin pill,” cashew nuts, that now rank #1 among nut crops in the world with 4.1 billion pounds produced in 2002 , have been utilized to promote wellness for hundreds of years.
Health benefits of Cashew Nuts
Cashew nuts or perhaps kaju are filled with incredible health advantages if taken within just limit on regular basis. Health-conscious individuals should try it by adding it on their daily diet plan to have its fantastic healthy health benefits. It really is very theraputic for all of the age groups individuals of both genders. It’s essential amino acids, proteins as well as unsaturated fats that feeds the unique body systems perfectly. It has all of the nutritious components (anti-oxidants, vitamins, proteins, electrolytes, minerals and etc) necessary for better body development and growth specifically for growing age children. Enjoy reading a few of the health advantages of cashew nuts that are pointed out below:
1. Monounsaturated Fats for the Heart
Cashews are a fantastic source of healthy dietary fats, that are required for our body to soak up the fat-soluble vitamins A, D, E, and K and create fatty acids which are essential for the development of the brain as well as blood clotting. These types of healthy fats consist of Monounsaturated fats or MUFA as well as polyunsaturated fats or PUFA. They’re best for the heart and help to lessen bad cholesterol (LDL cholesterol) if ingested in suitable amounts, even just in people with diabetes. LDL cholesterol may rise because of extreme usage of saturated fats, posing a significant threat for heart diseases just like atherosclerosis or even the hardening of arteries. Research has indicated that selecting unsaturated fats over saturated fats improves levels of HDL cholesterol, decreases triglyceride levels, and beneficially reduces the blood pressure too. The inclusion of nuts like cashews, fish, and vegetable oils including olive oil and canola oil in the diet can offer these healthy unsaturated fats on the body.
2. Eye Health
We’ve all heard that carrots are great for your eyes, however it might come as an unexpected that cashews are far too! They include high levels of lutein as well as zeaxanthin, that behave as antioxidants whenever consumed frequently. These types of compounds safeguard the eyes from light damage (which could turn into blindness within the elderly), and may help reduce the instance of cataracts.
3. Prevents from Cardiac Arrhythmia
Additionally it is the good source of the omega-3 fatty acids as well as omega-6 fatty acids that works as powerful antioxidants as well as helps prevent the blood vessels from free radicals as well as cardiac arrhythmia.
4. Weight Loss
People who consume nuts two times a week are much less inclined to put on weight compared to those who hardly ever eat nuts. Cashew nuts truly are comparatively loaded with fat, but it’s regarded as “good fat.” This is due to the ideal fat ratio within the nut, 1:2:1 for saturated, monounsaturated, and polyunsaturated, respectively, that is suggested by scientists for tip-top health. Cashew nuts consist of less fat compared to almost every other popular nuts, which includes peanuts, pecans, almonds and walnuts. They’re dense in energy and high in dietary fiber, which makes them an extremely beneficial snack for managing weight gain.
5. Prevents from Mental Disorders
Copper present in Cashew nut involves in production and secretion of both melanin and dopamine that helps prevent from depression, serious sun burn, long-term tiredness syndromes, neurological problems and etc.
6. Provide Necessary Minerals
Cashews might help sustain your body’s balance of minerals required for ideal health, since they are loaded with mineral content, with copper being the most abundant. A 1-oz. serving of roasted cashews consists of 0.6 mg of copper, that is a lot more than 30 % of the suggested intake set by the Institute of Medicine. Copper is required by your body for the manufacture of hemoglobin, collagen, elastin and also the protection of nerve fibers. Other minerals in cashews consist of magnesium, phosphorus, manganese, zinc, iron, potassium, selenium and calcium. Cashews contain just a trace of sodium until you buy salted nuts.
7. Reduce Diabetes Risk
Cashews are very theraputic for managing blood sugar, in accordance with a study in the December 2010 issue of “Molecular Nutrition and Food Research.” Within the study, researchers from the University of Montreal tested an extract from cashew nuts, that contains anacardic acid, on lab rats. The results of their study reveal that the anacardic acid enhances the ability of sugar to enter cells, that lessens the quantity of sugar circulating within the bloodstream. Cashews may also encourage the metabolism of sugar into energy, a procedure known as glycolysis. Controlling blood-sugar levels decreases the chance of developing diabetes, an ailment often related to obesity as well as heart disease.
8. Prevents from Old Age Eye Disorders
It features a pigment flavonoid antioxidant known as zea-xanthin that gets absorbed on the eyes (retinal macula lutea) and protects through the UV rays, therefore prevents from the age-related macular degeneration throughout old age.
9. Reduce Cancer Risk
Cashews consist of a number of anti-oxidant compounds which are thought to be anticancer agents. The National Cancer Institute explains that free radicals, that are damaged molecules, attack healthy cells, modifying DNA and potentially resulting in cancer. Proanthocyanidins are the antioxidant compounds present in cashews. These types of beneficial chemicals may possibly have the cabability to stop the development of certain cancer cells.
10. Controls your blood pressure levels
These nuts are lower in sodium and high in potassium and therefore keep blood pressure level within check. When there is extra sodium, the body retains more water which in turn causes the volume of blood to improve in turn enhancing the blood pressure level. Also readhow to lessen salt intake to help keep BP in check.
11. Assists the body in creating energy
Cashews consist of thiamine, that plays an important role in transforming sugar to energy. A lack thiamine in your daily diet can result in some much more severe health problems which range from muscle pain to even the memory loss.
12. Prepares Body to Fight Menopausal Symptoms
Cashew nuts are thought as the sleep inducer as well as stress reliever. It will help women after their menopause stage by improving the relaxed and pleasurable sleep throughout nighttime thus releases stress level among women in old age.
13. Plays a key role in numerous body functions
As cashew nuts are full of high copper content, they play a huge role in enzyme action, hormone production and brain function. Aside from this, they also assist in the creation of red blood cells and therefore, avoid anaemia.
Given the fact that cashew nuts are loaded with calories, several questions may be going in your head at this stage of time. Our expert sheds light on some common questions you may have regarding usage of tasty cashew nuts or even kajus.
14. Healthy Muscles and Nerves
Cashews are a fantastic source of magnesium, that is vital for the healthy growth and development of bones, muscles, tissues, and organs of the body. Magnesium helps you to sustain healthy blood pressure, sustain the immune system, maintain nerve function, and keep the bones strong. It’s also associated with metabolic functions, influences the insulin activity as well as manages the blood sugar levels of the body. An insufficiency of magnesium alters the metabolism of calcium and also the hormones accountable for its regulation.
15. Promotes Overall Healthy Growth and Development
It is probably the most beneficial dry fruits for kids of growing age. It boosts the continuing development of the bones, teeth, brain, hair, skin and etc body part since they require more calcium, vitamins, minerals, proteins and calorie compared to other age group people.
16. Can help treat depression
Cashew nuts may even help deal with depressive disorders. It’s been stated that a couple of handfuls of cashews has got the equal effect of a prescription anti-depressant. Cashews consist of an amino acid, called L-tryptophan, that is broken down within the body into niacin and serotonin, compounds which calm anxiety and encourage a feeling of well-being.
17. Red Blood Cells
Cashews are full of copper, which will help within the metabolism of iron, helps with the development of red blood cells helping in keeping bones and also the defense mechanisms healthy. Additionally it is vital for the nervous as well as skeletal system of the body. An insufficiency of copper within the body may lead to osteoporosis, irregular heartbeats, and anemia.
18. Bone and Oral Health
Cashews provide phosphorous, that is required for the healthy growth and development of teeth and bones. Phosphorous also helps with protein synthesis, assimilation of carbohydrates as well as fats and the maintenance of cellular health.
19. Anemia
Cashews are a source of dietary, iron that is essential to carry oxygen throughout the body and helps with the functioning of enzymes and also the defense mechanisms. An insufficiency of iron within the diet can result in body fatigue, anemia, as well as an elevated inclination towards infections.
20. Gallstones
Gallstones usually are stone-like deposits that always contain cholesterol which accumulates within the gall bladder. The regular inclusion of healthy nuts just like cashews will help lower the chance of development of gallstones.
21. Prevents from Deficiency Diseases
It really is packed with the main minerals known as manganese, magnesium, copper, potassium, iron, zinc, selenium and etc that really help in avoiding from numerous insufficiency diseases.
22. Hair and Skin Health
Cashews are full of the mineral copper. An essential component of many enzymes, copper plays its part in a broad variety of processes. One copper-containing enzyme, tyrosinase, changes tyrosine to melanin, that is the pigment that provides hair and skin its color. With no copper cashews are so rich in, these enzymes wouldn’t be able to do their jobs.
23. Immune System
Cashews consist of zinc, that performs an important role within the strengthening of the immune system against microbial infections, protein synthesis and also the healing of wounds. It is very important while pregnant for the development of the baby and also the developmental years of childhood to take care of a stable state of the body.
24. Protects from UV Rays
It has capability to avoid the body from the UV rays of the sun in addition to safeguards from the age related macular degeneration.
25. Relieves Constipation
Its high fibre content works well for reducing the constipation whenever taken on day after day.
26. Help Prevent Migraine Headaches
Cashews help support healthy brain function as well as enhance the circulation of blood whilst lowering blood pressure level. Nuts offer plant-based phytosterols, that are good for decreasing headache duration as well as occurrence.
Additionally, cashews combat rapid alterations in blood sugar as well as hypoglycemia, another well-recognized trigger for migraines.
27. Prevent artery disease-related
Cashew nuts great for the heart since it consists of monounsaturated oleic acid as well as palmitoleic acid. These types of essential fatty acids assist to reduce bad cholesterol (LDL) whilst enhancing the good cholesterol (HDL). Scientific studies claim that Mediterranean diet, that is full of monounsaturated fatty acids helps you to avoid coronary artery disease as well as stroke by supporting healthy blood lipids.
Other benefits of Cashew Nuts
Massage Cream: We might make own massage cream utilizing cashew nuts easily in your own home. Take a number of cashew nuts, half cup milk, and one teaspoon olive oil as well as grind them in a grinder. Voila your massage cream is prepared; you are able to store it in a air-tight container for 15 days. This particular cream nourishes, exfoliates as well as deep cleanses the skin. It’s totally natural so it won’t break you out.
Skin Brightening Mask: Cashew nuts work great for brightening dull skin along with frequent use. You may make your very own skin brightening mask simply by grinder cashew nuts, almonds, rose-water, milk cream and vitamin E in the blender. Once the paste gets somewhat thick, use it on your face and allow it to stay for Half an hour. Then rinse off along with lukewarm water and do it again each week. It’ll even out your complexion and can provide you with radiant looking skin.
Lip Scrub: Take 5 cashew nuts together with 3 almonds and grind them in a grinder. Remove the paste in the bowl and then add few drops of almond oil as well as rose-water. Spread this lip scrub in your lips and scrub for 3-4 minutes. This particular lip scrub not just eliminates the dead skin from lips and causes it to be smooth soft but additionally decreases pigmentation. Cashew nut decreases lip pigmentation to a large degree and in addition nourishes them.
History of Cashew Nuts
Cashews were very first grown in Brazil, exactly where Portuguese residents discovered them and brought them back to parts of India sometime around 1560 and 1565. From India, cashews spread all through Southeast Asia and finally made their way to America and Africa.
The cashew tree is currently broadly grown in exotic regions all over the world, particularly in parts of India, Nigeria, Vietnam, the Ivory Coast and Indonesia. The modern-day name cashew derives from the Portuguese word for the fruit of the cashew tree, caju, that converts in Portuguese to “nut that produces itself.”
Cashews are thought drupes that grows at the conclusion of the cashew apple fruit. The drupe develops first on the cashew apple tree and then expands to become the cashew apple. The apple itself features a sharp taste and delicate skin, thus it doesn’t transport well and isn’t commonly eaten. In certain parts of the world, however, like Brazil and regions in Africa, cashew apples are in fact regarded as therapeutic delicacies and therefore are utilized for their natural medicinal qualities just like combating bacteria.
How to Select and Store Cashew nut
Always purchase fresh kaju from the market and make certain that it haven’t been polished as it might result in several serious health disorders due to chemicals utilized in polishing. Prevent purchasing kaju smelling bad or even rancid smell or tastes little bit sour. Cashew nuts are often available for sale everywhere. Be mindful in case you are choosing shelled cashew kernels since they consist of phenolic resin known as urushiol, a skin irritating toxin. Usually buy cashew without shell and without salt. Even though, it really is available for sale in its all forms like raw, sweetened, salted, ground and etc. Usually purchase cashes together with bright cream-white color, solid, compact, even skinned, same size and heavy. Avoid cracked or broken, mold or even spotted and rancid smell cashews.
Store it in the cool, dry and safe place away from the sunlight however it’s better to use fresh and finish within 1 or 2 months of time period since it gets rancid smell and sour taste. It ought to be kept in the air-tight container in dry and cool place or perhaps in the refrigerator to help keep it away from rancid smell. Fresh cashews could be saved for 5 to 6 months.
How Much Cashews to Eat Per Day
Consuming how much cashews each day is depend upon the age, sex and medical conditions of the individual. It’s the dry fruit having plenty of health advantages however over limit of it can lead to the serious difficulties. You can get its all of the nutritional benefits by consuming it within just limit. Remember that control on anything is the greatest key for the a healthy body. It may be consumed 5-10 in numbers each day as snacks in between the meal. Excessive intake of it might add some additional weight to the body.
Quick Ways to Enjoy Cashew Nuts
Cashews could be readily included in a number of foods – be it fully fledged Kashmiri cuisine to desserts. So, here are a few of our fast serving ideas for you to enjoy this nutritious nut:
Try adding Cashews together with other nuts and dried fruits so as to make a healthy as well as fulfilling snack.
Right before you are going to take off the food from the heat, you may also add Cashews in your healthy sautéed vegetables.
This incredible nut may also be included with shrimp, basil and green beans so as to make an incredible Thai dish.
Cashews may also be enjoyed with a few maple syrup so as to make a tasty topping for hot cereals.
Add some cashew butter in your breakfast in order to offer your body with the necessary protein content along with a nutty taste.
Cashews may also be roasted at home in a gentle temperature of 160-170 Fahrenheit for around 15-20 minutes. This can help to retain the essential oils in the nut and improves the flavor of the nut for future consumption.
Cashew Nuts Healthy Recipes
1. Asian Chicken with Cashews
Ingredients
¼ cup naturally fermented soy sauce
¼ cup fish sauce
1 1/2 Tbsp. hot pepper sauce
3 cloves garlic, minced
1 Tbsp. minced fresh ginger root
4 skinless, boneless chicken breast halves cut into thin strips
1 cup dry basmati or jasmine rice
1 Tbsp. sesame oil
3 Tbsp. brown sugar
1 small sliced onion
¾ cup water
3 Tbsp. chunky peanut butter
1 cup chopped cashews
Directions
In a big bowl, mix collectively the soy sauce, fish sauce, hot pepper sauce, garlic, and ginger. Add the chicken, make certain it’s coated, and after that marinate in the refrigerator for 2 hours.
In a medium saucepan, bring the (well-rinsed) rice and 1¾ cups water into a boil with a Tbsp. of oil and ½ tsp. salt. Decrease heat to low heat, cover, and simmer 15-20 minutes, stirring once to check the absorbsion.
Heat the sesame oil in the large skillet over medium heat. Stir within the brown sugar till dissolved, then the onion, cooking about 5 minutes.
Lift the chicken pieces from the marinade (reserving the marinade mixture) and place in the skillet for around Ten minutes or till evenly browned and the juice clear.
Stir the reserved marinade and ¾ cup water in the skillet together with the chicken and bring to the boil. Cook and stir for an additional 10 minutes.
Blend within the peanut butter. Place the rice on the serving platter, pour the marinade over it, and sprinkle the cashews on top. Beautiful and delicious!
2. Cashew Chicken with Apricot Sauce
Ingredients
1 cup dried apricots
6 medjool dates
1 1/2 cups boiling water
2 tablespoons honey
2 tablespoons dijon mustard
1 cup coarsely chopped cashews
1 1/4 teaspoon curry
4 boneless, skinless organic chicken breasts
Sea salt and black pepper to taste
Directions
Preheat oven to 375 degrees F.
Cover baking dish with coconut oil. In medium bowl, soak the apricots and dates within the hot water for around one hour.
In food processor, mix soaked apricots, dates and honey till thick. Add the mustard and curry powder and pulse until thoroughly blended.
Pour the sauce in bowl.
Dip chicken breasts within the apricot mixture, coating well. Roll coated chicken breasts in chopped nuts and place in baking dish. Bake in oven for 25-30 minutes.
3. Cashew Chicken Lettuce Wraps
Ingredients
2 Tbsp. tamari or coconut aminos
2 Tbsp. honey
2 Tbsp. coconut oil
1 1/2 lbs. chicken breasts, cut into 3/4 in. pieces
Sea Salt and Black Pepper
2 cloves garlic, finely chopped
1 Tbsp. grated ginger root
1 bunch scallions, trimmed and sliced
1 8-oz. can sliced water chesnuts, drained
1/4 c. roasted, unsalted cashews
1 small head Boston or Bibb lettuce, leaves separated
Directions
Combine tamari and honey/agave in a tiny bowl, set aside.
Heat oil in big skillet over med/high heat. Season chicken with sea salt and pepper and cook, mixing from time to time, till chicken starts to brown, about 3 min.
Lower heat to medium and stir in garlic and ginger. Add scallions and cook for 1 min. Stir in water chesnuts and soy sauce mixture. Continue to cook till chicken is cooked through, about 4 min. Eliminate from heat and sprinkle with cashews.
Divide lettuce leaves among individual plates and spoon chicken over the top.
4. Cashew-Snow Pea Stir-Fry
Ingredients
1 tablespoon reduced-sodium soy sauce
1 tablespoon rice vinegar
1 teaspoon chile-garlic sauce (see Note)
2 teaspoons toasted sesame oil
1 tablespoon minced fresh ginger
3 cups snow peas (about 9 ounces), trimmed
3/4 cup trimmed and quartered radishes (about 1 bunch)
4 scallions, cut into 1/2-inch pieces
3 tablespoons unsalted cashews, toasted
Directions
Combine soy sauce, vinegar and chile-garlic sauce in a tiny bowl.
Heat oil in the wok or large skillet over medium-high heat. Add ginger; cook until fragrant, about 30 seconds. Add snow peas, radishes and scallions; cook, stirring frequently, before the peas are tender-crisp, 2 to 4 minutes. Add the sauce and mix to coat well. Remove from the heat; stir in cashews.
5. Curried Cashew Burgers
Ingredients
2 cups plus 2 tablespoons water, divided
1 cup diced peeled carrots, (2-4 medium)
1/2 cup red lentils, rinsed (see Ingredient note)
3/4 teaspoon salt, divided
3/4 cup raw cashews
6 teaspoons extra-virgin olive oil, divided
1 cup chopped onion, (1 medium)
1 clove garlic, minced
2 teaspoons curry powder
1/2 cup Cucumber-Mint Raita, optional (recipe follows)
3/4 cup fine dry breadcrumbs
Freshly ground pepper, to taste
6 6-inch whole-wheat pita breads
Lettuce & sliced cucumber, for garnish
Directions
Combine 2 cups water, carrots, lentils and 1/4 teaspoon salt in a saucepan. Bring to a boil. Decrease heat to low. Partially cover and simmer till the lentils are tender and falling apart, 12 to 14 minutes. Drain in the colander, gently pressing out excess liquid. Transfer into a plate; let cool to room temperature, about 20 minutes.
Meanwhile, toast cashews in a tiny dry skillet over medium-low heat, stirring, till golden and fragrant, 2 to 4 minutes. Transfer into a plate to cool.
Heat 2 teaspoons oil in the large nonstick skillet over medium heat. Add onion and cook, stirring, until softened, 5 to 8 minutes. Add garlic, curry powder and also the remaining 2 tablespoons water; cook, stirring, for 1 minute. Eliminate from heat and let cool.
Prepare Cucumber-Mint Raita, if using.
Pulse the cashews in a food processor till finely chopped. Add some lentils and also the onion mixture; pulse till the mixture is cohesive yet still somewhat textured. Transfer to a bowl and stir in breadcrumbs, the remaining 1/2 teaspoon salt and pepper; mix well.
With dampened hands, form the mixture into si 1/2-inch-thick patties, using about 1/2 cup for each.
Using 2 teaspoons oil per batch, cook 2 to 4 patties at a time in the big nonstick skillet over medium heat until evenly browned and heated through, about 4 minutes per side. Cut small ends off pitas and open the pockets. Serve burgers in pitas, with lettuce, cucumber and also the raita, if desired.
Few Words of Caution Regarding Cashew Nuts
Cashews are tasty nuts having a fine texture, providing an array of nutritional value, which includes vitamins and minerals. However, consuming cashews might also trigger a number of negative effects. Talk to your nutritionist or physician to find out if this nut is suitable for the diet, specifically if you have allergic reactions or even head aches.
1. Kidney Stones
Cashews consists of oxalate salts, which hinder the absorption of calcium within the body. The accumulated calcium can lead to the development of kidney stones. Research carried out on this topic makes it clear that individuals who’re vulnerable to develop kidney stones should think about consuming only small to reasonable quantities of cashew nuts.
2. Allergy
Nut allergies really are a growing trouble in the United States; a survey within the December 2003 issue of the journal “Allergy” reports that one-third of children are allergic to pistachios, which might show an allergic reaction to cashews, since they are within the same family. An additional research in the October 2005 edition of the “Archives in Disease in Childhood” notes that cashew allergies carry a greater risk of anaphylaxis compared to other nut allergies. This particular reaction could be fatal, therefore if the face and throat swell and also you experience difficulty in breathing after consuming cashews, you’ll need immediate emergency health care. Other allergy symptoms incorporate hives, rashes, itching within the mouth and throat, vomiting, diarrhea as well as nausea.
3. Weight Gain
Cashews are very caloric and could be fattening. A 1-oz. serving of the nut adds up 163 calories and 13.1 g of fat in your diet. Keep the consumption of cashews to a single ounce, and consumption shouldn’t bring about any negative health effects. However, consuming more than the usual single serving may introduce a lot of calories in your meal plan. While the fat from these nuts is usually the healthier type of fat, even that could result in putting on weight if consumed excessively.
4. Contact Dermatitis
Contact dermatitis is definitely an scratchy skin disorder brought on due to the skin coming in contact with the allergen. Hives as well as swelling can develop round the mouth or any other parts which have come in contact with the nuts or even their shells. The anacardic acid contained in cashews, which is also the reason behind the vesicative activity of the cashew nut shell liquid, can result in severe skin rashes and allergies.
5. Gastrointestinal Discomfort
Many people may possibly experience nausea, diarrhea, abdominal cramping, coughing, and vomiting when they have an allergic reaction to cashews.
6. Blood Pressure
Whilst cashews are naturally lower in sodium — only 5 mg per serving — it is extremely common to find commercially accessible varieties already salted. A serving of salted cashews can include up to 181 mg of sodium. Consuming cashews moderately in the reduced-sodium meal plan isn’t likely to trigger hypertension, yet consuming these nuts in big amounts could make the sodium add up fast. Keep the intake to under 1,500 mg of sodium each day to prevent spikes within your blood pressure.
7. Breathing Difficulties
Runny nose, coughing, as well as difficulty breathing is often felt.More serious reactions can lead to a fatal situation just like glottis edema or anaphylaxis.
8. Anaphylaxis
Anaphylaxis is actually a fast intensifying allergic attack that may occur to the entire body because of a few substance or even chemical in which the body has created level of sensitivity. It really is most often triggered simply by food allergic reactions. As demonstrated by numerous scientific studies, cashew nuts can cause a bad risk of anaphylaxis. It can result in signs and symptoms just like noisy breathing, unconsciousness, pale appearance, swelling of the tongue or throat, and hoarseness within the voice. Anaphylaxis is really a medical emergency and really should be given the most attention.
9. Headaches
If you suffer from headaches as well as migraines, stay away from cashews. These types of nuts include the amino acids tyramine and phenyethyamine, that really help maintain normal blood pressure levels and offer a feeling of well-being, respectively. However, in case you have a sensitivity to these amino acids, they may also result in head pain.