CNN Health

Studies in monkeys show you probably are immune to Zika once you've had it, but there could be additional dangers during pregnancy.

Heart disease is the No. 1 killer, followed by cancer. But the CDC has good news about mortality in the U.S.

Its title is known the world over, and its hateful contents have made it both a best-seller and arguably the most scorned book in history. Now, a Boston-based publisher is making sure Adolf Hitler's infamous manifesto "Mein Kampf" actually does some good in the world.

A spinning, solar-powered spacecraft as wide as a basketball court will arrive at Jupiter on July 4 to study the giant planet and to take the highest-resolution images of Jupiter in history.

The time we spend consuming media has jumped by one hour a day since last year, a new Nielsen report shows.

The FDA requested scientific evidence that hand sanitizers are safe and effective, especially for children and pregnant women, when used daily.

When Nyle DiMarco was asked to join season 22 of "Dancing with the Stars," he almost turned down the opportunity.

3D Photoworks creates tactile art for the blind to experience in museums

An influential panel has added some choices, aiming to get more Americans screened for colorectal cancer, the second leading cause of cancer death in the U.S.

Summertime means fun in the sun, and dog owners often include their pets in outdoor activities like hiking, swimming, camping and running in the park or even on the beach.

Stem cell research can run the gamut from Nobel Prize-winning scientists to hucksters in lab coats making a buck off desperate, seriously ill people. The results of one new study may be less than hoped for, but the science is sound: The study concluded that injecting stem cells into the spinal cords of patients with amyotrophic lateral sclerosis is safe in most, though not all, cases. Unfortunately, the procedure provided no benefit to patients, though it caused substantial pain to two of the study participants.

There has been an ongoing debate about just how much of the industrial chemical Bisphenol A (or BPA) lurks in canned foods and whether it poses a health risk.

Cancer is still the No. 2 killer of Americans. It has been for decades, and Vice President Joe Biden wants that to change now.

Don't let the pleasant narration and sunny surroundings of "Safetyville" fool you. The new Los Angeles Metropolitan Transportation Authority's public safety ads are not playing around.

Doctors say there are many "barriers" that insurance companies have put in place for women, but not men, who are seeking drugs to treat sexual problems.

Scientists have unlocked new secrets for boosting memory retention: One involves breaking a sweat, and the other involves taking a snooze.

Two Democratic lawmakers joined the Progressive Change Campaign Committee and others Tuesday in urging the Food and Drug Administration to change its blood donation policy.

All eyes are on Rio de Janeiro and its Zika-carrying mosquitoes as the countdown to the 2016 Olympics continues. Here is the latest on how the battle against the Zika virus is being won or lost and how that effort is affecting athletes, visitors and the success of the Games.

These innovative suits will provide much-needed protection against the foul waters of Rio's Guanabara Bay.

The Red Cross is apologizing after a poster depicting pool safety rules was circulated on Twitter and flamed for being "super racist."