CNN Health

Starting January 1, 2018, it will no longer be a major crime in California to knowingly expose a sexual partner to HIV without disclosing the infection. Gov. Jerry Brown signed legislation on Friday that lowers the offense from a felony to a misdemeanor.

A man who was blinded in one eye by a foul ball during a game at Wrigley Field is suing Major League Baseball and the Chicago Cubs.

Dr. Aimee Eyvazzadeh, a San Francisco-based reproductive endocrinologist, sees it almost everyday in her practice.

Hazy, smoke-filled skies from wildfires blazing across the drought-impacted South are causing poor air quality and health concerns.

It took just 72 hours for me to lose my sight entirely. Just before my blindness hit, I had been laid up with an unknown virus that had left me suffering severe headaches and sweats. My body's immune system had gone haywire, responding to the virus by attacking my own nerves, causing loss of sight and mobility -- I had been struck down by biological friendly fire.

At least two hospitals in Northern California evacuated patients as more than 14 wildfires spread across at least 57,000 acres of land, destroying 1,500 structures, officials said Monday.

At least two hospitals in Northern California evacuated patients as more than 14 wildfires spread across at least 57,000 acres of land, destroying 1,500 structures, officials said.

Two more former residents of a Florida nursing home have died roughly a month after Hurricane Irma knocked out the facility's air conditioning, the Hollywood Police Department announced Monday. The Rehabilitation Center at Hollywood Hills failed to evacuate residents from the sweltering heat in the days following the storm.

There is pleasure in both giving and receiving. Does gender influence which of these pleasures we prefer?

They are devastating events that we're too familiar with: a mass shooter critically wounds victims. A tornado sweeps through a small town, harming dozens. Or a train or plane accident leaves passengers injured.

Just four hours earlier, Sallie Cutler had been sharing Mother's Day lunch with her mom, Alyce Cheatham.

A Florida nursing home where a dozen patients died after Hurricane Irma knocked out power has closed and laid off its 245 employees, according to a notice to state officials.

A quarter-century of surgical experience couldn't steel Dr. Michael Seiff for what he encountered entering Sunrise Hospital's emergency room Sunday night.

In a blow to Obamacare's controversial contraceptive mandate, employers may now have more leeway to withhold birth control coverage on religious grounds, according to new rules issued by the US Department of Health and Human Services on Friday.

The Nobel Prize in Chemistry 2017 has been awarded to three scientists for pioneering work on new methods of visualising biomolecules like the Zika virus.

"It is harder in America to buy two packs of Sudafed than 10 assault rifles," comedian D.L. Hughley said on his radio show Monday, the day after a gunman opened fire on a concert crowd in Las Vegas.

An unusually widespread outbreak of the plague is occurring in Madagascar, leaving at least 24 dead and scores infected across the country.

Students say they prefer and perform better when reading digitally on screens, but research shows that may not always be true.

Yes, dark chocolate has compounds that offer health benefits and can be enjoyed without guilt, even on a daily basis. But the portion size matters, since too many bites can contribute extra fat, sugar and calories and negate its health benefits.