Skipping a nap - even for one day - has a significant effect on toddlers' ability to express enthusiasm and deal with frustration according to a recent study.

While the incidence of lung cancer is decreasing in this country, there's another alarming trend. Roughly one in 10 individuals who is diagnosed with lung cancer has never smoked! And researchers are trying to understand why.

Some drugs treat the symptoms of a disease, while others attack the disease at its core, preventing it from getting worse. A certain type of drug may do both for people with ankylosing spondylitis .

Patients aren't always out of the woods after hospital release following a heart attack. Many are readmitted later the same month after complications. Americans may be at a higher risk of readmission as compared to Canadian and European patients.

Dietary vitamins B12 and B9 ( folate ) have been shown to be liver-protective against liver-toxins. Repeated exposure to liver-toxins can lead to fatty liver disease, a fate that supplemental B vitamins may resolve.

The two forms of the rotavirus vaccine currently administered to children do not cause the same gastrointestinal problems as the previous version of the vaccine.

Though many people are deficient in vitamin D, it's possible to go too far to make up the difference. The "sunshine vitamin" may only protect the heart if you have the right amount.

Does obesity play a role in whether or not people undergo various types of cancer screening? The simple answer is "yes." The more nuanced answer says it depends on the individual's gender, race and type of cancer screening.