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Causes of Hair Loss

hair loss

Causes of Hair Loss

Reasons can range from the simple and temporary to complex.

hair loss

Fact is men are more likely to lose their hair than women, mostly due to male pattern baldness.

However, thinning hair and hair loss are also common in women. Reasons can range from the simple and temporary to complex.

In many cases, there are ways to treat both male and female hair loss. It all depends on the cause. Here are some reasons why you might be seeing less hair on your head.


Both Physical and Emotional stress can lead to hair loss. Physical trauma surgery such as an accident or illness, like the flu can cause temporary hair loss. This type of hair loss is called telogen effluvium. Fortunately, the hair will start growing back as your body recovers. Emotional stress is not likely to cause hair loss like physical stress can, but it can exacerbate a hair loss problem.


For women, pregnancy can lead to hair loss or thinning. It’s considered a type of physical stress on the body combined with hormones that can cause hair loss. Pregnancy-related hair loss is very normal and your hair will usually grow back in a couple of months.

Vitamin A

Too much vitamin A in your diet can lead to hair loss. Check your vitamin and supplements for the amounts of vitamin A.

Lack of Protein

If you don’t have a sufficient amount of protein in your diet, your body may ration protein by shutting down hair growth.

Pattern Baldness

About two out of three men experience hair loss by age 60, which is mainly due to male pattern baldness. Male pattern baldness is caused by a combo of genes and male sex hormones. Female-pattern hair loss, called androgenic or androgenetic alopecia, is basically the female version of male pattern baldness.

Female Hormones

Just as pregnancy hormone changes can cause hair loss, other changes in hormones can also lead to hair loss. Such as, switching or going off birth-control pills and the change in hormones during menopause.

Weight Loss

Dramatic weight loss and/or sudden weight loss can result in thinning hair. Whether or not the weight loss is good for you it’s still possible that the weight loss itself is causing stress to your body and/or that not eating properly can result in vitamin or mineral deficiencies.


Anemia is caused by an iron deficiency (the most common type of anemia), which is typically a relatively fixable cause of hair loss. Consult your doctor, they will be able do a blood test to determine if you have anemia.


Some of the drugs used to beat cancer can also cause your hair to fall out. Chemotherapy helps to destroy rapidly dividing cancer cells. However, it also destroys cells linked to hair growth.

Over Styling

Vigorous styling and hair treatments over many years can cause your hair to fall out. Some examples of extreme styling include tight braids, hair weaves, corn rows, as well as, chemical relaxers to straighten hair, hot-oil treatments and/or any other kind of harsh chemical or high heat. Many of these types of preparations affect the hair root, which means your hair might not grow back.


Hypothyroidism is the medical term for having an under-active thyroid gland. This gland produces hormones that are critical to metabolism as well as growth and development. When it does not produce enough hormones, it can contribute to hair loss.

Vitamin B

A deficiency in vitamin B is another, albeit correctable, cause of hair loss.


An autoimmune disorder called alopecia areata is a result of an overactive immune system. in contributing to hair loss your body’s immune system sees the hair as foreign object and targets it to kill it.


Other autoimmune diseases such as lupus can also cause hair loss. The body’s immune cells attack the hair. Unfortunately, hair loss of this type will not grow back.

Prescription Drugs

Anti-depressants, blood thinners, etc. and other classes of medication may contribute to hair loss. More common among them are certain blood thinners and the blood-pressure drugs known as beta-blockers. Other drugs that might cause hair loss include methotrexate (used to treat rheumatic conditions and some skin conditions), lithium (for treating bipolar disorder) and nonsteroidal anti-inflammatory drugs (NSAIDs) including ibuprofen.


Trichotillomania, classified as an “impulse control disorder,” which causes people to compulsively pull their hair out. The constant playing and pulling of the hair can strip your head of its natural protection “your hair”.

Anabolic Steroids

If you take anabolic steroids (the type abused to bulk up muscle) you could lose your hair.