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Teens, and adults who care for them, can learn about addiction and drug abuse at this updated site from NIH’s National Institute on Drug Abuse (NIDA). Designed for viewing on smartphones, tablets, and computers, the site’s free, interactive resources include a teen blog, videos, educator guides, and lots of easy-to-read information about the science behind drug abuse.

Precision medicine is an emerging approach for disease prevention and treatment that takes into account

Common food additives called emulsifiers promoted colitis and metabolic syndrome in mice by altering gut microbes.

The frosty air of winter can be invigorating. But cold air can also pose threats to your health, whether you’re indoors or outside. If your body temperature drops too low, it can lead to a serious, sometimes deadly condition known as hypothermia. Learn to recognize the signs of this condition, and take steps to keep yourself and your family warm and safe during this chilly season.

For surgeons, removing a tumor is a balancing act. Cut out too much and you risk removing healthy tissues that have important functions. Remove too little and you may leave behind cancer cells that could grow back into a tumor over time. NIH-funded researchers are developing new technologies to help surgeons determine exactly where tumors end and healthy tissue begins. Their ultimate goal is to make surgery for cancer patients safer and more effective.

Descriptions of clinical trial terms.

It’s been more than 30 years since a disease now called AIDS was first recognized in the United States. Back then, it was considered a death sentence. No treatments were available, its cause was unknown, and people often died within a few months after being diagnosed. Today, people infected with HIV—the virus that causes AIDS—can live full, healthy lives, in large part because of medicines and other discoveries made with NIH support.

NOMID, or neonatal-onset multisystem inflammatory disease, is a rare disease that is often fatal. This video tells the story of Kayla Martínez, who was diagnosed with NOMID as a baby. It also tells the story of a treatment for NOMID that was discovered by Dr. Raphaela Goldbach-Mansky at the National Institute of Arthritis and Musculoskeletal and Skin Diseases at the National Institutes of Health.

As you age, you may notice you have less muscle and energy and more fat. Carrying those extra pounds may be harming your health. It’s easy to be confused by advice about diet and exercise, but they’re key to avoiding weight gain as you get older.

Many of us worry from time to time. We fret over finances, feel anxious about job interviews, or get nervous about social gatherings...