Some patients who've had their thyroid removed experience a drop in calcium, a mineral that strengthens bones. Whether that drop is linked to low levels of vitamin D, which helps the body absorb calcium, hasn't been clear.

Primary care doctors treat all sorts of physical problems, but they also have an opportunity to address mental health issues like depression. Unfortunately, mental health might not come up in many doctors' offices.

A new pain medication recently became a controversial topic. While some say the medication will offer a new option to people in pain, others are concerned about potential dangers.

Smoking tobacco during pregnancy has been linked to a host of prenatal and birth issues. Women don't even have to be a smoker to be at risk; secondhand smoke may pose a threat as well.

It's not clear what causes multiple sclerosis (MS), an immune disorder that is typically diagnosed between ages 20 to 40. But researchers are seeking more clues.

Getting the eggs from head lice (nits) out of a child’s hair will likely never be fun, but one new study has found a method that may make the process easier.

This year’s flu vaccine provides protection against the most common strain of flu this year, H1N1. The flu is still infecting people, and it’s not too late to get vaccinated.

Spotting cancer early can increase the chances for successful treatment. But some cancers, such as pancreatic cancer, are rarely detected early. New research suggests another issue with the pancreas may signal cancer risk.

Indoor tanning, much like sunbathing on a sandy beach, is a risk factor for skin cancer. The practice is particularly dangerous for younger users.

After a concussion, the most appropriate treatment for athletes is physical and cognitive rest. But the concussion has to be recognized in the first place.