Night owls, we all know one, or we are ourselves. Humans show variable preference in diurnal phase – meaning late risers. These individuals could be diagnosed with delayed sleep phase disorder (DSPD) which accounts for nearly 10 percent of all patients seen in sleep clinics.

Cat-haters are always eager to find reasons to bad-mouth our feline friends. The latest is road rage — blaming a cat-carried parasite for aggressive behavior. But that concept just doesn't hold water. Ailurophobes, or those who fear cats, will just have to try harder to malign them.

Internet headlines abound with a study's findings that claim tattoos may make its recipient less prone to illness. The headlines are bad enough, so we took a look as to whether there's a sound basis for any of this. And even they might be somewhat true, how accurate is the study? Ready for a laugh?

Brad Harris, owner of Novus Health Care Services, Inc., in Frisco, Texas, which says it "offers hospice and home health-care services", regularly directed nurses to give hospice patients overdoses of drugs to speed up their deaths, according to FBI documents filed to obtain a search warrant.
The FBI says he sent text messages like, "You need to make this patient go bye-bye."

The Federal Trade Commission and 58 law enforcement groups across the United States have shut down four sham cancer charities that bilked over $187 million from consumers.

A new study finds that a vegetarian diet likely led to a mutation, which may make people more likely to get heart disease and colon cancer.

Valeant Pharmaceuticals seems to be trying to cement its place as the worst company in the world. After doing virtually everything wrong over the past year, its officials have taken it to an even lower level — price gouging dying patients who have chosen to end their lives.

A recent published study by researchers at NYU Langone Medical Center claims that 16,000 premature births are linked to air pollution, with costs exceeding $4 billion. But how accurate are these estimates? What's more, studies like this are rarely able to prove causation.

The topic of concussions has been much in the news of late, and it’s been concerning that the condition can be difficult to discern. But a new blood test may make that diagnosis much simpler and more accurate.

A Florida woman who consumed raw chocolate milk produced by Miller's Organic Farm in Pennsylvania passed away after getting Listeria. Ironically, she thought she was drinking something more "natural" that would make her immune system stronger.