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… Swelling in the body can happen for many reasons. Summer heat can cause your arms or legs to swell if you’ve been sitting or … invading viruses, bacteria, and other microscopic threats.]. When your body fluids build up in one place, it can lead to swelling. This is called edema. You can get edema anywhere in your body—your feet, legs, ankles, hands, or even face. It can appear in one place or in many body parts at the same time. Sometimes it’s only temporary. Pregnancy can …

… NIH has a new resource for teens to learn about underage alcohol misuse. How does alcohol affect the body? How do you detect an alcohol problem in yourself or a loved one? What resources are available to teens with alcohol-related issues? Get answers to these …

… you. Use the search tool to find sites nearby or call 1-800-232-0233. Getting vaccinated is one of the best ways to protect yourself and your family. …

… pain is acute and goes away quickly. But in some cases, when pain develops slowly or persists for months or even years, then it’s called chronic pain, and it can be tricky to treat. Chronic … more decades ago. That’s why some researchers are looking for approaches beyond medications. “One thing we know is that currently available drug therapies don’t provide all the answers. Many …

… You might need to be of a certain age or live in a specific region. Some projects are designed for people who have certain health conditions. But others are open to everyone. … All of Us … … U.S. to join. The program aims to partner with at least 1 million people nationwide to build one of the most diverse health databases in history. So far, about 500,000 people have fully …

… to sit more than you should. Many people sit at desks during the day, where we’re inactive for long periods of time. Moving more and sitting less can have major health benefits. Getting regular physical activity is one of best things you can do for your health. Experts recommend adults get at least 150 minutes … twice a week. But only about 20% of Americans meet these physical activity goals. The good news is that any physical activity is better than none. And getting active has both immediate and …

… can save lives and reduce disability. Signs of stroke can include face drooping, weakness on one side, speech difficulty, sudden severe headache, and sudden trouble seeing and walking. If …

… Find Spanish-language health information from across NIH in one place. This recently redesigned site offers a wealth of free, science-based health …

… NIH is inviting 1 million people across the U.S. to join one of the most diverse health databases in history. Researchers use this data to learn more …

… Americans have a brain or nervous system disorder. That’s 1 out of every 5 people. NIH’s Brain for Life website is a one-stop shop to learn about the brain and the nervous system. You can also find answers to your …