What Causes Bald Spots?
Genetics According to the National Institutes of Health, pattern baldness affects approximately 25 percent of men by the age of thirty. Though more common in men, this genetic balding pattern affects women as well. Male pattern baldness is characterised by thinning hair at the frontal hairline, temples and crown. Women will usually notice thinning hair at the crown. Pattern baldness usually runs in families for both men and women. Hormones Hormonal changes may cause permanent or semi-permanent hair loss and bald spots. An increase or excess of testosterone plays a big part in the majority of hormone related hair loss cases. For women, the hormonal changes with menopause may cause hair loss. Hormonal imbalances due to oral contraceptives and pregnancy may also cause hair loss, but these two types of imbalances will usually correct themselves over time. Drug Interaction A side effect of some medications is temporary hair loss or balding. Thyroid medications, excess vitamin A, some antide
