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The next time you plan on working overtime, you might want to think again because the extra green may not be worth it. According to a recent study, working longer hours could be associated with an increased risk of stroke.

A new study sheds light on the aberrant, habitual brain mechanisms underlying anorexia nervosa, a devastating and potentially fatal eating disorder resistant to most treatments. Another study shows the unique patterns of brain activity that help make us different from each other.

There's a small, but significant, advance in the war against HIV. And after 33 years of HIV/AIDS research, to be able to tweak an already-great drug to make it even better is a good indication of the incredible progress that's been made in this area.

A study of elephants finds these massive animals get cancer at a far lower rate than humans. Researchers also found the reason: they have an astronomical number of copies of a vital gene. The news is interesting, but is unlikely to do more for improving human health.

An EPA employee had a bizarre response to our article on making kids with peanut allergies safer.

Now that fall is upon us, cold and flu season is right around the corner. People are more likely to be indoors and transferring germs by shaking hands, coughing, and sneezing. The best way to avoid catching the flu is by receiving a vaccination now, before the virus hits.

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.

Instead of being ruined by nature, you can buy a papaya for $.25. Science did that. What went right?

Two of the most common travel-related infectious diseases are hepatitis A and measles. Both are preventable with vaccinations, but they don't work immediately. If you're planning a trip to Mexico or Central America, the hep A vaccine will protect you but not for 4-to-6 weeks. And everyone should be vaccinated against measles whether they travel or not.

In microbiome research, it's still too early to determine what is correlation and what is causation. However, some researchers are finding ways to use correlation effectively. One way is to improve screening for colorectal cancer, and a new study finds this may help in treatment, too.

Clostridium difficile (C. diff) is one of the many bacteria that inhabit our gastrointestinal tract. Normally, it is harmless. But when patients receive intensive antibiotic therapy, especially in hospitals, it can overgrow and become life-threatening. Fortunately, a new study shows it can be controlled with a common-sense approach.

Cause-specific mortality using death registries and their nationwide health insurance system lead the authors to project an estimated 20 percent of all adult male deaths this decade in China will be linked to cigarettes

The FDA approved a DNA screening test of cerebrospinal fluid that can tell a physician in under an hour if a patient has viral or bacterial meningitis. If you are familiar with the differences between these two types -- one of which can be fatal -- you know this is a big deal.

Even in 2015 over 100 years after aspirin and heroin were discovered there's still no good (or even acceptable) way to treat pain, especially when it's chronic and severe. This unmet medical need is now a very hot topic, especially since the FDA recently approved OxyContin for children.

An agency in Bangladesh announced that life-saving Golden Rice has passed trials in contained facilities and will soon move on to open-field tests. If all goes well, the crop will finally be approved for farmers to grow. It's been a long fight to receive approval, but success now appears to be at hand.

Another Listeria incident has occurred in organic cheese.

It is certainly true that activists and websites preying on their audiences lack of scientific literacy often exploit that ignorance and engage in fear-mongering, but this does not account for their total success. Activists use two other emotions to get positive outcomes for their causes: outrage and empowerment.

Needle exchange programs where addicts can exchange dirty syringes for clean ones are effective in preventing the spread of HIV, a finding that's highlighted in a new CDC report. But in terms of curbing the overall drug abuse problem, the programs themselves remain controversial.

There is a dearth of information about the transmissibility of the flu virus through breast milk from mother to infant. However, a new study using a ferret model finds that transmission might be possible.

The findings may seem obvious, but they hold a lot more substance. Experts say when a woman is trying to conceive, having intercourse more often triggers the psychological changes that improve the chance of conception, even outside of the ovulation window.

A new study claims that people who undergo weight loss surgery have higher rates of suicide attempts than those who don't. Is this really true? Maybe, maybe not. A flaw in the study makes it impossible to tell.

Many may think the Ebola epidemic ended when major U.S. news outlets stopped covering it. However, the epidemic has raged on for over a year in West Africa. But there is some good news: the three countries at the center of the epidemic have not reported any new cases in over a week.

Weight-loss surgery has been shown to help control weight and improve metabolic parameters among obese diabetics. This new study, which produced very impressive results, shows the actual degree of improvement of various types of surgery.

While the U.S. Court of Appeals for the NY region threw out a lawsuit by parents seeking to allow religious exemptions for their kids, the matter remained unsettled. Until now. The U.S. Supreme Court has decided not to review the decision, which now puts an end to this debate -- with a welcome outcome.

A news report says Republican presidential candidate Ben Carson was associated with a supplement maker, and actually took a regimen of products to treat his prostate cancer diagnosis. After hearing his dubious views on vaccines during the debates, this latest discovery makes us feel even more uncomfortable about his commitment to sound science.