CNN Health

If all your friends jumped off a cliff, would you too? What if your Pokémon took you there?

In the hours following Thursday night's attack in Nice, while the wounded were tended to and the dead shrouded in the streets, survivors and rescuers were confronted with silent reminders of the evening's losses: A baby doll next to a small body wrapped in foil. A small pink hat, torn. A child's plastic bike broken in two and forgotten in the middle of the road.

Emergency room visits related to the use of synthetic marijuana may be down this month in New York City, despite 130 people being hospitalized in just three days earlier this week, health officials said.

When the newly developed Mars 2020 rover lands on the Red Planet in February 2021 after embarking on a seven-month cruise through space, we will be able to hear sounds of the landing and the Martian surface for the first time, according to NASA.

IKEA is recalling 80,000 baby gates because they can come unintentionally unlocked, posing a risk of falls and related injuries, the Consumer Product Safety Commission (CPSC) announced Thursday.

A cat shelter in Chicago is selling groups of feral cats for up to $600 to combat Chicago's rat problem, which is believed to be the worst in the country.

When the Nice, France, attack was unfolding, I was on a train returning from a work assignment, trying to stay off my iPhone and BlackBerry so I could focus on writing a piece.

Chicago is trying an old fashioned solution to get rid of their rat problem. With rat problems up 67%, cats may be the answer.

All that separated Officer John Abbott from the deadliest attack on police since September 11, 2001, was a set of glass doors.

Life could exist in isolated pockets beneath the surface of Mars, according to Alfred McEwen, principal investigator of NASA's HiRISE high-resolution camera aboard the Mars Reconnaissance Orbiter. While they would most likely be primitive microorganisms such as bacteria, it would still be proof of life outside of our own planet.

Your brain on constant fear is not a pretty sight.

Writers, entrepreneurs, and creative leaders of all types know that intense focus that happens when you're "in the zone": You're feeling empowered, productive, and engaged. Psychologists might call this flow, the experience of zeroing in so closely on some activity that you lose yourself in it. And this immersive state, as it turns out, also happens to be something that some adults with ADHD commonly experience.

The 2,190-mile long Appalachian Trail is daunting even to those who have no trouble walking, and few who set out manage to travel the entire trail.

HIV/AIDS is perhaps the most important global health crisis in modern history. Dramatic progress has been made in controlling the virus, but efforts to find a cure are still in its infancy.

A study suggests people vote for extreme candidates or take extreme political positions because they are totally bored.

Should you kiss your children on the lips?

For patients with gonorrhea, a two-drug antibiotic punch is the usual recommended treatment, but new research found the sexually transmitted infection is less vulnerable to one of these drugs: azithromycin.

Pokemon Go may be helping to get gamers out of the house, but if you feel more like Pokemon "no" than Pokemon Go, here are seven other games to try.

A simple jab of the finger is all it takes for a prince of England to bring attention to the fight against HIV.

The key to robbing frustration of its oxygen is perspective. Here's how to get some, quick.