CNN Health

A wagging tail, a loving lick, a playful jump, a heart-melting gaze. You know when your dog is happy to see you.

The Artemis I mission is ready to launch.

Undergoing mild brain stimulation for four days in a row improved short-term memory in older adults, including those with mild cognitive decline, a new study found.

Pfizer and BioNTech have submitted their application to the US Food and Drug Administration for emergency use authorization of their bivalent Covid-19 vaccine for use in people age 12 and older, the companies said in a statement on Monday.

Young adults were using marijuana and hallucinogens at record high rates in 2021, new data shows. Vaping also increased significantly among this age group last year, despite leveling off during the first year of the Covid-19 pandemic.

Advanced-stage cervical cancer is rising in the United States among White and Black women, according to a new study in the International Journal of Gynecological Cancer.

This fall, the health of the nation will depend in large part on vaccines.

Previously, at least two other children in the US have had cases of monkeypox, according to the US Centers for Disease Control and Prevention.

Scientists are trying to add years of fertility to a woman's life. Doing so may add benefits to her health in later years, even lengthen her life.

Accepting your body as it is and stopping all the dieting may sound great, but would doing so hurt your health?

Wendy's restaurants have been associated with an E. coli outbreak reported in four states, with 84 people infected and 38 hospitalized, the US Centers for Disease Control and Prevention said Thursday.

The US Food and Drug Administration authorized Novavax's Covid-19 vaccine on Friday for emergency use in adolescents. It is the fourth coronavirus vaccine available in the United States and, unlike the others, is uses a protein-based technology.

My mother never got to buy shoes. At least not in that obsessive, stereotypically female way we see in shows like Sex and the City.

At first it was Covid. Now it's monkeypox. Organizers of a free concert at an upcoming LGBTQ festival known as Southern Decadence in New Orleans have canceled the concert due to the threat of monkeypox.

The US Centers for Disease Control and Prevention has confirmed a Nebraska child who died after swimming was infected with the brain-eating amoeba Naegleria fowleri, an epidemiologist for the state, Dr. Matthew Donahue, told CNN.

There are 13 different regions near the lunar south pole where the first woman and next man on the moon could land through NASA's Artemis III mission in 2025, according to the agency.

Often associated with low back pain, sciatica tends to be more of a pain in the butt -- and sometimes also the leg. That's because the pain travels along the sciatic nerves, the longest nerves in your body. Each sciatic nerve runs bilaterally from the base of your spine through the deep muscles of your buttocks and down the back of a leg.

Globally, nearly half of deaths due to cancer can be attributable to preventable risk factors, including the three leading risks of: smoking, drinking too much alcohol or having a high body mass index, a new paper suggests.

Dr. Stuart Brown is an expert in having fun.

The Biden administration announced new plans Thursday that should make it a lot easier for millions of kids to get access to mental and physical health services at school.