Willy Lewis, M.D.

Health & Medicine

Leisure Sickness: Why we are often ill on vacation

Health & Medicine

Drinking alcohol when it’s hot: why it’s not a good idea

Health & Medicine

Soap your whole body? Dermatologist uncovers hygiene myths

Health & Medicine

Cold from air conditioning: is that true?

Health & Medicine

Obsessive Compulsive Disorder: Brain Chemistry Out of Balance

Health & Medicine

Instead of valerian: According to studies, this fruit juice helps you fall asleep

Health & Medicine

Y chromosome loss affects cancer tumors

Health & Medicine

“Inner child”: Psychologists explain where self-help reaches its limits