Ask the Doctor

Coffee, tea, and soda all contribute to daily caffeine intake. Too much could affect miscarriage risk, as well as the baby's size.

Last year's spring allergies were miserable. Learn when to begin antihistamines and nasal sprays so symptoms are blunted before pollen peaks.

Long‑standing, poorly controlled diabetes can shift how your brain senses "low" glucose. Learn why near‑normal levels may trigger symptoms.

Cognitive behavioral therapy for insomnia (CBT-i) identifies and challenges thoughts about sleep that make it more difficult, eradicates bedroom activities other than sleep and sex, limits the time spent in bed to increase the drive to sleep, and teaches relaxation techniques.

Some people lose weight quickly on fewer calories while others barely budge. Learn how differences in energy use might be working against you.

From red wine to ice cream, everyday favorites can spark headaches in some people. Learn how to spot your personal food-related headache triggers.

That sudden bolt of pain after a cold bite can be startling. Learn what's happening during "brain freeze" and whether it signals a problem.

Some vitamins and supplements show limited benefit for certain types of headache. Good sleep habits, stress reduction, and other lifestyle changes can also help.

Sudden sharp pain the right side of the abdomen can stem from several causes. Learn what doctors consider in this situation.

People's lips may appear thinner with age due to several factors, including lower production of collagen and elastin, proteins that provide plumpness to skin. Genes also play a role, as do habits such as smoking and excessive sun exposure.