Everyone knows "bad hair days" - days when your hair just won't cooperate, especially when you're already not feeling well. Literally, you can get gray hairs when you have big problems. In fact, stress can lead to two types of hair loss. Additionally, scientists recently detected stress hormones in the hair of patients with high long-term stress. This book provides an overview of the impact of stress on scalp hair, as well as gray hair and hair loss, and what can be done about it.