CNN Health

When President Barack Obama awarded Los Angeles Police Officer Donald Thompson the Medal of Valor in May, the 6-foot-1 commander in chief had to stand on his tiptoes to hang the medal around the neck of the 6-foot-7 hero.

Most men may be missing the mark when it comes to gauging women's interest in sex.

Still not wearing your sunscreen? Here are a few good reasons to start: Skin cancer is the most common cancer in the U.S. It's also the most preventable, says Clinical Associate Professor of Dermatology at NYU and Vice President of the Skin Care Foundation Dr. Elizabeth Hale, since regular use of sunscreen is one of the most effective prevention strategies around. What's more: 90 percent of skin damage (aka premature skin aging) is caused by UV exposure, says Hale. And (you guessed it) regularly wearing sunscreen is one of the best ways to stave off this wear and tear.

Fireworks are synonymous with Fourth of July celebrations. But as entertaining as consumer fireworks are, they're responsible for many injuries.

With high temperature across the country, there are more warnings than usual posted about fireworks safety. In addition to harming themselves, people are also in danger of lighting up their entire neighborhoods -- unless you're in one of the cities getting hit with rain.

The Hubble Space Telescope has captured images of glowing auroras over Jupiter just days before NASA's new Juno spaceship arrives to orbit the gas giant.

The world's first malaria vaccine becomes less effective as time passes, a study showed, especially among children living in areas with high rates of disease.

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.