Yale University researchers analyzed groundwater from 64 wells in several fracking-dense Pennsylvania counties where Marcellus shale drilling is taking place. In the largest study of its kind they found no association between fracking and well water contamination.

Here's the skinny on artificial sweeteners: The science says low-energy sweeteners, consumed in place of real sugar, can be beneficial to health and weight loss. And the best part is that we have been saying this for years.

For many years, doctors have stressed the importance of omega-3 fats as being a vital part of a healthy lifestyle - should you be overpaying for it?

Permanent contraception for women was dominated by fallopian tube-tying surgery until the early 2000s, when an easier implantable device debuted that was supposedly safer. But a new study suggests that this method may not be as safe as previously believed.

According to a recent study, despite the decrease in the prevalence of non-medical use of opiates over a 10-year period, the number of people with opiate-use disorders, mortality from overdose, high-frequency use and number of days of use have all increased. All of this is cause for alarm, doctors included.

Sleep driving can be risky just as drunk driving to anyone who gets behind the wheel of a car. The best one can do is be alert, be safe, and be aware of your surroundings.

We've heard from health experts that exercise is the best medicine in order to stay healthy. The recommended dosage of daily exercise is 30 minutes. However, that may not be enough, according to some new research.

Psoriasis is a misunderstood skin condition, since many fail to understand just how physically and emotionally disabling it can be. Researchers from the NYU say that severe cases of psoriasis can lead to depression in some individuals.

A new study in The New England Journal of Medicine states that nearly 23,000 people visit hospital emergency rooms each year because of dietary supplements.

The courts have issued another rebuke to the EPA's claim that it cares more about healthy water than the people who live near it.