Popular Weight-Loss Drugs May Slow the Spread of Some Cancers

GLP-1 drugs such as Ozempic, Wegovy, and Mounjaro have become widely known for helping people lose weight and control diabetes. Over the past few years,...

Why Poor Sleep May Raise the Risk of Dementia

Scientists have long known that conditions such as chronic stress, depression, heart disease, aging, and poor sleep are linked to a higher risk of...

Very fit young men may face one heart risk

A large Swedish study is helping answer a question that has worried some athletes and doctors for years: can very high fitness increase the...

Major review finds repeated weight loss may not damage metabolism after all

Many people who struggle with weight have heard the phrase “yo-yo dieting.” It describes a pattern where someone loses weight, regains it, and then...

New treatment could help reverse skin aging

As people age, their skin loses some of its ability to heal quickly. Small cuts and wounds that might heal in days for younger...

How much exercise do you really need to protect your heart?

Most people know that exercise is important for staying healthy. Doctors have long encouraged adults to stay active to lower the risk of heart disease,...

Why Sudden Weight Changes in older people May Harm the Brain

As people grow older, it is common for memory and thinking skills to slowly become weaker over time. Many older adults may notice that they...

Could Medical Cannabis Help People Finally Sleep Better?

Millions of people around the world struggle with sleep problems every night. Some lie awake for hours trying to fall asleep, while others wake up...

Waist size and body fat matter more than BMI alone

A major new study suggests that doctors may need to rethink the way obesity is diagnosed. For decades, body mass index, known as BMI,...

Your brain keeps working after exercise—and it may help you get fitter

People often think exercise is mainly about muscles, sweat, and burning calories. But scientists are discovering that exercise may also change the brain in...