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. Vitamin B-12 …

Sep 10, 2025 · Inguinal hernia symptoms include: A bulge in the area on either side of the pubic bone, which becomes more obvious when upright, especially when coughing or straining. A burning or …

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

Find possible causes of symptoms in children and adults. See our Symptom Checker.

Dec 10, 2022 · Overview Hypothyroidism happens when the thyroid gland doesn't make enough thyroid hormone. This condition also is called underactive thyroid. Hypothyroidism may not cause noticeable …

Aug 12, 2025 · Tonsillitis is swelling and irritation, called inflammation, of the tonsils. The tonsils are two oval-shaped pads of tissue at the back of the throat. There's one tonsil on each side. Tonsillitis …

Apr 30, 2025 · This highly contagious virus spreads through contaminated food, water or surfaces and causes vomiting and diarrhea. Learn ways to protect yourself.

Apr 26, 2025 · Fibromyalgia is a long-term condition that involves widespread body pain. The pain happens along with fatigue. It also can involve issues with sleep, memory and mood. Researchers …

Jan 9, 2025 · Hemochromatosis (he-moe-kroe-muh-TOE-sis) is a condition that causes the body to absorb too much iron from food. Excess iron is stored in the organs, especially the liver, heart and …

Overview Benign prostatic hyperplasia (BPH) is a health issue that becomes more common with age. It's also called an enlarged prostate. The prostate is a small gland that helps make semen. It's found just …