Alopecia areata is a common hair loss condition that seems to be related to immune system dysfunction. It appears as well-defined circular bald patches on the scalp, and can affect men, women, and children.
Women’s Hair Loss and Hair Restoration
Some women with hair loss make good candidates for hair restoration surgery. Learn more here.
Hair Loss: Infectious Agents
Infectious agents and infection-related conditions can also be behind hair loss, including ringworm and folliculitis.
Scarring alopecia affects both men and women, and it can cause irreversible damage of the hair follicles, replacing them with scar tissue. This article describes its definition and treatments.
Drug-Induced Hair Loss
A surprising number of drugs cite hair loss as a side effect. This article lists some of these medications, by medical condition.