Canine hair loss, or alopecia, is a primary symptom of a wide range of underlying medical conditions, not a disease in itself. Common causes include skin infections (bacterial/fungal), parasites, ...

When you get scrapes, cuts or other minor injuries, hair also helps heal these wounds. Specifically, your body mobilizes stem ...

Researchers showed that cells in your hair follicles release important chemical messengers in response to gentle touches to your skin. By Veronique Greenwood When someone brushes a hand across your ...