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Of cancers that strike both men and women, colorectal cancer is the No. 2 killer in the US, reports the CDC, claiming more than 50,000 lives in 2013.

When Daniel Fitzpatrick first entered Holy Angels Catholic Academy in Brooklyn, it was a "great life," he explained in a letter written a few weeks before he committed suicide on Thursday.

Roughly one-third of the globe can no longer see the Milky Way thanks to artificial light at night.

The sports world has been abuzz in recent years with the idea that athletes could improve their performance by following an ultra high-fat, low-carbohydrate diet.

Want to raise $1 million?

RIO DE JANEIRO — Each morning, 75-year-old Jose Rebamar works his biceps, triceps and quadriceps with stone weights at an outside gym that looks out on Rio de Janeiro's iconic Sugarloaf Mountain.

WASHINGTON — The nation's transplant network is taking a long-awaited step to ease a serious disparity: Where you live affects whether you get a timely liver transplant or die waiting.

The old career-counseling advice about choosing a job that's a good fit for you is getting support from a new study: Job burnout may be caused by a "mismatch" between an employee's inner needs and the characteristics of his or her job, the study from Switzerland suggests.

Having to walk further from home to get to a tobacco shop increases the odds that smokers will quit, according a large study in Finland.

The young athlete, now competing at the Rio Games, always considered herself to be a girl just like the others, a girl who loved to run.

Just what does it take to power Simone Biles' signature half-twisting double backflip or Allyson Felix's lightning-fast sprint?

Women who take the common pain reliever acetaminophen during pregnancy may be more likely to have children with behavior problems than those who don't use the drug, a British study suggests.

The Palmetto State is unlikely to have an outbreak of Zika virus, health officials said, while acknowledging that it’s only a matter of time before mosquitoes with the virus show up in the state.

An at-home-guide to whitening your teeth using activated charcoal has garnered more than 1.5 million views, with commenters agreeing that the unorthodox method does deliver promised results.

A Florida dad looking for something that would help his newborn daughter sleep safely has invented an infant safety bed  that’s raised  $50,000 over its Kickstarter goal.

Heart-attack patients who drink one or two cups of coffee a day are 20 percent less likely to die prematurely from heart damage compared to java teetotalers, a new study finds.

While fears of the Zika virus have kept some people away from the Olympics in Rio de Janeiro, for residents of one Russian town the more mosquito bites the better.

An 86-year-old Massachusetts woman needed to be rescued by firefighters over the weekend after she was left behind at a dialysis clinic in Methuen that had closed for the day.

The U.S. government on Friday declared a public health emergency in Puerto Rico as a result of a Zika epidemic.