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All about hair health
While genetics play a key role, your diet, the weather, pollution, and your overall approach to hair care are all critical to maintaining your crowning glory. Find out how a healthy diet and proper care can keep your mane a head above the rest.
Research shows that changes in your hair’s look, texture, or thickness can be signs of underlying health conditions. Here’s how you can tell whether your hair changes are due to a health problem, genetics, stress, or a nutritional deficiency.
1. Stress (and Genes) Can Make You Go Gray
Anyone who has watched presidential hair change from campaign to campaign has noticed that stress seems to make hair turn gray, and a study on mice published in the journal Nature suggested that chronic stress may indeed contribute to graying hair by causing DNA damage and reducing the supply of pigment-producing cells in hair follicles. Stress can also cause your hair to fall out.
Another type of stress, known as oxidative stress, may also play a role in gray hair. Oxidative stress (when cell-damaging free radicals inhibit the body’s repair processes) may affect pigment-producing cells
Going gray is actually a totally natural part of aging, as your hair follicles produce less color as you get older. Your genes also play a role in when your hair turns gray, parents how old they were when they saw the first sign of silver, and you might follow suit.
2.Brittle Hair Could Be a Sign of Cushing’s Syndrome
Brittle hair is one symptom of Cushing’s syndrome, which is a rare condition caused by too much cortisol, the body’s primary stress hormone. But, there are many other more obvious symptoms of Cushing’s syndrome, including high blood pressure, fatigue, and back pain.
Treatment for Cushing’s syndrome may include changing the dose of medication that could be causing the condition, such as glucocorticoids, which are steroids used to treat inflammation caused by a variety of illnesses. Other people might need surgery, chemotherapy, or radiation therapy to correct the adrenal gland’s overproduction of cortisol.
3.Hair Thinning Could Be a Sign of Thyroid Disease
People who have hypothyroidism, a condition that occurs when your thyroid gland doesn’t produce enough thyroid hormones, might notice increased hair shedding and a change in hair appearance, .
It can cause thinning hair and other symptoms, such as tiredness, cold intolerance, joint pain, muscle pain, a puffy face, and weight gain. A thyroid-stimulating hormone (TSH) test will diagnose the condition, and treatment entails taking thyroid medication.
In addition to thinning hair, certain thyroid disorders put you at risk for an autoimmune hair-loss condition called alopecia areata. This type of hair loss causes round patches of sudden hair loss and is caused by the immune system attacking the hair follicles.
4.Hair Shedding Could Be a Sign of Anemia
If you’re suddenly noticing a lot more hair in your hairbrush or on your shower floor, this could be a sign that your body has low iron stores, or anemia, and may warrant testing. It is particularly likely to for people who are vegetarian or for women who have heavy periods, both of which increase the chance that hair changes are due to low iron.
It’s not completely known why low iron can cause hair loss, but iron is critical for many biological and chemical reactions, perhaps including hair growth, . If your doctor determines that you are truly iron deficient, eating more foods that are high in iron, or taking an iron supplement, might help with hair loss.
Hair shedding can also happen (temporarily) with sudden changes in estrogen levels and is often noticed after pregnancy or stopping birth control pills.
5.Hair Loss Could Indicate a Protein Deficiency
Protein is essential for hair health and growth (a lack of protein has been linked to hair thinning and loss). Protein deficiency isn’t a problem — most adults need 0.8 grams of protein per kilogram of body weight. Good sources of protein include nonfat Greek yogurt, tilapia, chickpeas, and chicken breast.
People who have gastrointestinal difficulties or who just had gastric bypass surgery may have problems digesting protein. These specialized situations will have to be managed with your doctor’s help. But most hair thinning, even in women, is likely due to genetics
6.White or Yellow Flakes Could Mean You Have Dandruff
Yellow or white flakes in your hair, on your shoulders, and even in your eyebrows are a sign of dandruff, a chronic scalp condition. Dandruff doesn’t usually indicate a serious health problem, and it can usually be treated with over-the-counter specialty hair shampoos or a prescription shampoo.
One of the most common causes of dandruff is a condition called seborrheic dermatitis,. Those with seborrheic dermatitis have red, greasy skin covered with flaky white or yellow scales. A yeast-like fungus called malassezia can also irritate the scalp. Not shampooing enough, sensitivity to hair care products, and dry skin can also cause dandruff. (Dandruff is usually worse in winter, when indoor heating can make skin drier.)
7.Damaged Hair Can Mask Other Health Problems
Although hair can tattle on your health conditions, patients more commonly complain about the damage done by coloring and heat-treating hair to within an inch of its life. Too much heat, from daily flat iron use or daily blowouts, can certainly damage your hair, making it dry, brittle, and hard to maintain.. We recommends using no more than one hot tool per day (infrequent double heat processes are okay, but not daily). Whenever you’re applying heat to your hair, always use products with protective ingredients. Serums and shine drops tend to have qualities that preserve the hair when using direct and indirect heat.
Getting your hair professionally colored is unlikely to cause much damage, But bleaching your hair and using boxed hair color at home can have adverse effects. You can mitigate any damage to your hair by using the right products. Post-color treatment, use proper color-preserving and moisturizing shampoo.
Perhaps most importantly, highly treated hair may mask certain problems and make it difficult to see or feel what your hair can tell you about your health.