Alopecia or hair loss refers to a loss of hair from a part of the head or the body. It mostly affects the head (scalp). The severity of hair loss can vary from a small area to the entire body. Alopecia affects both males and females.
Causes:
- Abnormality in the immune system that damages hair follicles
- Thyroid disease
- Vitiligo
- Lupus
- Rheumatoid arthritis
- Ulcerative colitis