Perfectionism isn't a mental illness, but it can fuel anxiety, depression, and eating disorders. Here's what the science says about when it becomes a real problem.
Gum pockets can shrink with the right treatment, from deep cleaning to surgery. Here's what actually works and what to expect at home and at the dentist.
The Portuguese man-of-war looks like a jellyfish but is actually a colony of organisms. Learn what it is, how it stings, and what to do if you get stung.