Dec 12, 2025 · You know what M.D. means, but what does D.O. mean? What's different and what's alike between these two kinds of health care providers?

Face masks can help slow the spread of coronavirus disease 2019 (COVID-19). Learn about mask types, which masks to use and how to use them.

Jan 18, 2024 · Medicine you can get without a prescription may give some relief from acute sinusitis symptoms.

Jul 26, 2023 · You can do strength training by using weight machines or weights, your own body weight, heavy bags or resistance bands. You also can use resistance paddles in the water or do activities …

Dec 11, 2024 · Hand-washing: Do's and don'ts Hand-washing is an easy way to prevent infection. Know when and how to wash your hands, and how to get children into the hand-washing habit.

Mar 26, 2026 · Cardiopulmonary resuscitation (CPR) is an emergency treatment that's done when someone's breathing or heartbeat has stopped. For example, when someone has sudden cardiac …

Apr 24, 2024 · An automated external defibrillator (AED) is a portable device that can be used to treat a person whose heart has suddenly stopped working. This condition is called sudden cardiac arrest. …

Jan 21, 2026 · Why do high triglycerides matter? High triglycerides may contribute to hardening of the arteries or thickening of the artery walls, called arteriosclerosis. This condition increases the risk of …

Apr 1, 2026 · Some side effects may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care …

Mar 13, 2026 · Coronavirus disease 2019 (COVID-19) is an illness caused by the virus SARS-CoV-2. Learn more about the symptoms, risks and ways to protect yourself.