Compared with a healthy liver (top), a fatty liver (bottom) appears bigger and discolored. Tissue samples show extra fat in nonalcoholic fatty liver disease, while inflammation and advanced …

Apr 16, 2024 · A silent heart attack is a heart attack that has few, if any, symptoms or has symptoms not recognized as a heart attack. A silent heart attack might not cause chest pain or …

Feb 8, 2023 · Barrett's esophagus is a condition in which the flat pink lining of the swallowing tube that connects the mouth to the stomach (esophagus) becomes damaged by acid reflux, which …

The peripheral nervous system sends information from the brain and spinal cord, also called the central nervous system, to the rest of the body through motor nerves. The peripheral nerves …

Chronic kidney disease, also called chronic kidney failure, involves a gradual loss of kidney function. Your kidneys filter wastes and excess fluids from your blood, which are then removed …

Feb 29, 2024 · High blood pressure is a common condition that affects the body's arteries. It's also called hypertension. If you have high blood pressure, the force of the blood pushing …

Chlamydia is caused by Chlamydia trachomatis (truh-KOH-muh-tis) bacteria and spread through oral, vaginal or anal sex. You might not know you have chlamydia because many people don't …

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, …

Osteoporosis affects people of all races. But women who are white or of Asian descent, especially older women who are past menopause, are at highest risk. Medicines, healthy diet and weight …

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.