Causes of Hair Loss

Articles 20
Subject
Physical stress
Physical stress Any kind of physical trauma—surgery, a car accident, or a severe illness, even the flu—can cause temporary hair loss. This can trigger a type of hair loss called telogen effluvium. Hair has a programmed life cycle...  
Too much vitamin A
Too much vitamin A Overdoing vitamin A-containing supplements or medications can trigger hair loss, according to the American Academy of Dermatology. The Daily Value for vitamin A is 5,000 International Units (IU) per day for adults and kids...  
Lack of protein
Lack of protein If you don't get enough protein in your diet, your body may ration protein by shutting down hair growth, according to the American Academy of Dermatology. This can happen about two to three months after a drop in protein ...  
Male pattern baldness
Male pattern baldness About two out of three men experience hair loss by age 60, and most of the time it's due to male pattern baldness. This type of hair loss, caused by a combo of genes and male sex hormones, usually follows a classic ...  
Heredity
Heredity Female-pattern hair loss, called androgenic or androgenetic alopecia, is basically the female version of male pattern baldness. “If you come from a family where women started to have hair loss at a certain age, then you might ...  
Female hormones
Female hormones Just as pregnancy hormone changes can cause hair loss, so can switching or going off birth-control pills. This can also cause telogen effluvium, and it may be more likely if you have a family history of hair loss. The change ...  
Emotional stress
Emotional stress Emotional stress is less likely to cause hair loss than physical stress, but it can happen, for instance, in the case of divorce, after the death of a loved one, or while caring for an aging parent. More often, though, emoti...  
Anemia
Anemia Almost one in 10 women aged 20 through 49 suffers from anemia due to an iron deficiency (the most common type of anemia), which is an easily fixable cause of hair loss. You doctor will have to do a blood test to determine for sure if ...  
Hypothyroidism
Hypothyroidism Hypothyroidism is the medical term for having an underactive thyroid gland. This little gland located in your neck produces hormones that are critical to metabolism as well as growth and development and, when it’s not pu...  
Vitamin B deficiency
Vitamin B deficiency Although relatively uncommon in the U.S., low levels of vitamin B are another correctible cause of hair loss. What to do: Like anemia, simple supplementation should help the problem. So can dietary changes. Find natural ...  
Autoimmune-related hair loss
Autoimmune-related hair loss This is also called alopecia areata and basically is a result of an overactive immune system. “The body gets confused,” says Dr. Glashofer. “The immune system sees the hair as foreign and target...  
Lupus
Lupus Other autoimmune diseases such as lupus can also cause hair loss. Again it’s a case of mistaken identity: overzealous immune cells attack the hair. Unfortunately, hair loss of this type is “scarring,” meaning the hair...  
Dramatic weight loss
Dramatic weight loss Sudden weight loss is a form of physical trauma that can result in thinning hair. This could happen even if the weight loss is ultimately good for you. It’s possible that the weight loss itself is stressing your bo...  
Chemotherapy
Chemotherapy Some of the drugs used to beat back cancer unfortunately can also cause your hair to fall out. “Chemotherapy is like a nuclear bomb,” says Dr. Glashofer. “It destroys rapidly dividing cells. That means cancer c...  
Polycystic ovary syndrome
Polycystic ovary syndrome Polycystic ovary syndrome (PCOS) is another imbalance in male and female sex hormones. An excess of androgens can lead to ovarian cysts, weight gain, a higher risk of diabetes, changes in your menstrual period, infe...  
Antidepressants, blood thinners, and more
Antidepressants, blood thinners, and more Certain other classes of medication may also promote hair loss. More common among them are certain blood thinners and the blood-pressure drugs known as beta-blockers. Other drugs that might cause hai...  
Overstyling
Overstyling Vigorous styling and hair treatments over the years can cause your hair to fall out. Examples of extreme styling include tight braids, hair weaves or corn rows as well as chemical relaxers to straighten your hair, hot-oil treatme...  
Trichotillomania
Trichotillomania Trichotillomania, classified as an “impulse control disorder,” causes people to compulsively pull their hair out. “It’s sort of like a tic, the person is constantly playing and pulling their hair,&rdq...  
Aging
Aging It’s not uncommon to see hair loss or thinning of the hair in women as they enter their 50s and 60s, says Dr. Glashofer. Experts aren’t sure why this happens. What to do: No Answer...Not a human's ablity.  
Anabolic steroids
Anabolic steroids If you take anabolic steroids—the type abused by some athletes to bulk up muscle—you could lose your hair, according to the American Academy of Dermatology. Anabolic steroids can have t...