Isometric exercises: Good for strength training? - Mayo Clinic
Nov 18, 2023 · Isometric exercises are tightening (contractions) of a specific muscle or group of muscles. During isometric exercises, the muscle doesn't noticeably change length. The affected joint …
Statin side effects: Weigh the benefits and risks - Mayo Clinic
Jul 21, 2025 · What are statin side effects? Muscle pain and damage One of the most common complaints of people taking statins is muscle pain. You may feel this pain as a soreness, tiredness, …
Serotonin syndrome - Symptoms & causes - Mayo Clinic
Sep 12, 2024 · Serotonin syndrome is a serious drug reaction. It is caused by medications that build up high levels of serotonin in the body. Serotonin is a chemical that the body produces naturally. It's …
Peripheral neuropathy - Symptoms and causes - Mayo Clinic
Motor nerves that control muscle movement. Autonomic nerves that control functions such as blood pressure, sweating, heart rate, digestion and bladder function. Symptoms of peripheral neuropathy …
Performance-enhancing drugs: Know the risks - Mayo Clinic
Jun 27, 2023 · Helps build muscle. Causes features such as facial hair and a deeper voice. The anabolic steroids used by athletes are often forms of testosterone made in a lab. Some people use anabolic …
Guillain-Barre syndrome - Symptoms and causes - Mayo Clinic
Jun 7, 2024 · Guillain-Barre (gee-YAH-buh-RAY) syndrome is a condition in which the body's immune system attacks the nerves. It can cause weakness, numbness or paralysis. Weakness and tingling in …
Myalgic encephalomyelitis/chronic fatigue syndrome (ME/CFS)
4 days ago · Overview Myalgic encephalomyelitis/chronic fatigue syndrome, also called ME/CFS, is a complicated condition. It causes extreme fatigue that lasts for at least six months. Symptoms worsen …
Amyotrophic lateral sclerosis (ALS) - Symptoms and causes
Apr 10, 2024 · Overview Amyotrophic lateral sclerosis (a-my-o-TROE-fik LAT-ur-ul skluh-ROE-sis), known as ALS, is a nervous system disease that affects nerve cells in the brain and spinal cord. ALS …
Norovirus infection - Symptoms & causes - Mayo Clinic
Apr 30, 2025 · Muscle pain Signs and symptoms usually begin 12 to 48 hours after your first exposure to a norovirus and last 1 to 3 days. You can continue to shed virus in your stool for several weeks after …
Hypothyroidism (underactive thyroid) - Symptoms and causes
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 …