Nov 29, 2022 · 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?

Learn about symptoms of urinary tract infections. Find out what causes UTIs, how infections are treated and ways to prevent repeat UTIs.

Jul 8, 2025 · A migraine is a headache that can cause intense throbbing pain or a pulsing feeling, usually on one side of the head. It often happens with nausea, vomiting, and extreme …

Apr 4, 2025 · Arthritis is a leading cause of pain and limited mobility worldwide. There’s plenty of advice on managing arthritis and similar conditions with exercise, medicines and stress …

Aug 13, 2025 · Vitamin B-12 is a vitamin the body uses to make and support healthy nerve cells. It's also used to make healthy red blood cells and the genetic material inside cells called DNA. …

If you're pregnant or breast-feeding, are a competitive athlete, or have a metabolic disease, such as diabetes, the calorie calculator may overestimate or underestimate your actual calorie needs.

Mar 7, 2023 · Overview A muscle cramp is a sudden, unexpected tightening of one or more muscles. Sometimes called a charley horse, a muscle cramp can be very painful. Exercising or …

Jun 13, 2020 · Pneumonia is an infection that inflames the air sacs in one or both lungs. The air sacs may fill with fluid or pus (purulent material), causing cough with phlegm or pus, fever, …

Aug 23, 2024 · COVID-19 can have lasting symptoms that affect many parts of the body. Learn more about the symptoms and effects of long COVID.

Apr 25, 2025 · Swollen lymph nodes most often happen because of infection from bacteria or viruses. Rarely, cancer causes swollen lymph nodes. The lymph nodes, also called lymph …