CNN Health

When one tiny species of spider mates, one partner needs a special move to survive the encounter.

While following personalized medical and lifestyle interventions, women reduced certain risk factors for Alzheimer's at a greater rate than men, a new study found.

Health officials in the UK have released new details in their ongoing investigation of an unusual series of hepatitis cases in children. The new report helps explain why they have zeroed in on a possible link to the adenovirus family, the UK Health Security Agency announced Monday.

The Biden administration has secured the purchase of 20 million treatment courses of Paxlovid, Pfizer's antiviral Covid-19 pill, a senior administration official told CNN on Monday.

If you're wondering how to stick with your favorite workout but make it more intense, the "talk test" might be your answer.

The US Food and Drug Administration announced Monday that it has expanded approval of the Covid-19 drug remdesivir to treat patients as young as 28 days and weighing about 7 pounds.

The mental health of Americans has suffered during the Covid-19 pandemic, and new research shows the damage wasn't limited to adults.

PTSD doesn't just happen to veterans of war. A new study shows that symptoms were tracked to significant levels in loved ones of patients who were in the ICU with Covid-19. The results point to a need for screening and resources to get people help, experts say.

The Biden administration is set to unveil new details and announcements Monday on Paxlovid, Pfizer's antiviral Covid-19 pill, a White House official tells CNN.

At least 169 cases of acute hepatitis in children aged one month to 16 years old have been identified in an outbreak that now involves 11 countries, the World Health Organization (WHO) said on Saturday.

Rapid antigen Covid-19 tests, better known as home tests, have become more common in households across the country as supplies have increased. These tests are designed to give you results in less than 30 minutes from the comfort of your own home.

Many states are scaling back on how often they report key Covid-19 statistics, a shift that some experts worry might hinder efforts to mitigate outbreaks and negative effects of the coronavirus.

Carving out 15 minutes in an already busy day can sound like a chore, but a clinical psychologist says it's a small investment that can make the rest of your day easier and happier. He explains how to create and implement a mental health hygiene routine.

Many dietitians have historically preached cutting certain foods out and focusing on weight, but a new wave has taken to social media to preach a different way to think about eating -- one these dietitians say is more sustainable, enjoyable and mentally healthy.

Now that most US cities and states have dropped masking requirements and other precautions against Covid-19, you may be wondering about your chances of getting infected or, worse, being hospitalized or dying if you happen to get sick.

Covid-19 was the third leading cause of death in the United States in 2021, following heart disease and cancer, for the second year in a row, according to provisional data from the US Centers for Disease Control and Prevention.

Spiders are not well represented in the fossil record.

Americans are abandoning their masks. They're done with physical distancing. And, let's face it, some people are just never going to get vaccinated.

You are walking slowly through a forest with birds gently chirping around you. The wind glides through the trees, and you bend down to scoop up some earth, noticing the aroma.

It has become harder for children to experience childhood as a time of blissful ignorance about the state of our planet. Climate change, racism, discrimination, poverty and gun violence are affecting their daily lives, giving them plenty to be upset about it and often inspiring them to fight for change. Role models such as Greta Thunberg and Malala Yousafzai prove that sometimes when kids take action, adults listen.