Susan Bard, MD, is a board-certified general and procedural dermatologist with the American Board of Dermatology and a Fellow of the American College of Mohs Surgery. Treating melasma aims to reduce ...

Colleen Murphy is a senior editor at Health. She has extensive experience with interviewing healthcare providers, deciphering medical research, and writing and editing health articles in an ...

Headaches fall into two groups: primary headaches (the headache is the condition) and secondary headaches (a symptom of another problem), with episodic and chronic patterns. Common headache types have ...