Osteopathic medicine: What kind of doctor is a D.O.? - Mayo Clinic
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?
Dietary supplements for weight loss - Mayo Clinic
Jun 18, 2024 · Know what claims about weight loss mean You might be surprised to learn that makers of dietary supplements rarely do clinical trials. That's part of the reason why there's little scientific proof …
How well do face masks protect against COVID-19? - Mayo Clinic
Oct 29, 2025 · 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.
Stem cells: What they are and what they do - Mayo Clinic
Jan 20, 2026 · What are stem cell lines, and why do researchers want to use them? A stem cell line is a group of cells that all descend from a single original stem cell and are grown in a lab. Cells in a stem …
Exercise: How much do I need every day? - Mayo Clinic
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 …
Statin side effects: Weigh the benefits and risks - Mayo Clinic
Jul 21, 2025 · The body needs cholesterol. But having too much cholesterol in the blood raises the risk of heart attacks and strokes. Statins block an enzyme the liver needs to make cholesterol. This …
Brain MRI (brain magnetic resonance imaging) - Mayo Clinic
Apr 30, 2025 · Brain MRI is one of the tests you may have to determine the cause of headaches, dizziness, seizures, vision problems or hearing loss. This painless imaging test is used to diagnose a …
Alcohol use: Weighing risks and benefits - Mayo Clinic
Jun 21, 2024 · Drinking alcohol in any amount is a health risk that increases with each drink you have. The risk peaks with heavy drinking, including binge drinking, which carries serious health risks.
Artificial sweeteners and other sugar substitutes - Mayo Clinic
Jan 10, 2023 · But other things people do, or healthy habits that people don't do, may be the cause of the higher risk. Other research is looking at long-term use of sugar substitutes and the gut. Many …
Mental health: Overcoming the stigma of mental illness
May 13, 2025 · Learn how to spot and deal with negative beliefs that some people have about mental health conditions. Don't let stigma stand in the way of getting treatment.