Jun 14, 2024 · Graves' disease is an immune system condition that affects the thyroid gland. It causes the body to make too much thyroid hormone. That condition is called hyperthyroidism. Thyroid …

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 …

Feb 4, 2025 · Simple behavior changes might manage symptoms of an overactive bladder. These might include changes in diet, urinating on a certain schedule and using pelvic floor muscles to control the …

Aug 31, 2023 · Dissociative disorders usually arise as a reaction to shocking, distressing or painful events and help push away difficult memories. Symptoms depend in part on the type of dissociative …

Jul 3, 2025 · Doppler ultrasound is a noninvasive test that can be used to measure the blood flow through your blood vessels. It works by bouncing high-frequency sound waves off red blood cells that …

Jan 15, 2025 · Carotid (kuh-ROT-id) ultrasound is a procedure that uses sound waves to look at blood flow through the carotid arteries. The carotid arteries are a pair of blood vessels on each side of the …

Sep 19, 2025 · Antiphospholipid (AN-te-fos-fo-LIP-id) syndrome is a condition in which the immune system mistakenly makes antibodies that attack tissues in the body. These antibodies can cause …

Gastroparesis is a condition in which the muscles in the stomach don't move food as they should for it to be digested. Most often, muscles contract to send food through the digestive tract. But with …

May 29, 2024 · An electroencephalogram (EEG) is a test that measures electrical activity in the brain. This test also is called an EEG. The test uses small, metal discs called electrodes that attach to the …

Feb 25, 2025 · A cholesterol test is an important way to check your health. High cholesterol levels often are a key risk factor for a common type of heart disease called coronary artery disease. Coronary …