Stressful events like divorce, losing a job, or a sick relative can cause hair loss. This type of hair loss is called telogen effluvium, and it can cause hair to fall out in handfuls.
1. Stress
Hair loss can be a side effect of certain drugs, such as those used for cancer, arthritis, depression, heart problems, gout and high blood pressure.
2. Medications and supplements
A variety of conditions can cause permanent or temporary hair loss, including hormonal changes due to pregnancy, childbirth, menopause and thyroid problems.
3. Hormonal changes
Not getting enough iron, protein, riboflavin, biotin, folate, or vitamin B12 can cause hair loss.
4. Nutritional deficienciesy
The most common cause of hair loss is a hereditary condition that happens with aging. This condition is called androgenic alopecia,
5. Family history (heredity)
Androgenetic alopecia is genetic. Males with this condition tend to lose hair from the temples and crown of the head. In females with androgenetic alopecia, the hair usually becomes thinner all over the head.