
Tinnitus - Symptoms and causes - Mayo Clinic
Tinnitus is usually caused by another condition, such as age-related hearing loss, an ear injury or an issue with the blood vessels. For many people, tinnitus gets better after treating the condition that is …
Bipolar disorder - Symptoms and causes - Mayo Clinic
May 8, 2026 · Bipolar disorder, formerly called manic depression, is a mental health condition that causes extreme mood swings. These include emotional highs, also known as mania or hypomania, …
Iron deficiency anemia - Symptoms & causes - Mayo Clinic
Sep 20, 2025 · Iron deficiency anemia is a common type of anemia. Anemia is a condition in which the blood doesn't have enough healthy red blood cells. Red blood cells carry oxygen to the body's …
Multiple sclerosis - Symptoms and causes - Mayo Clinic
Nov 1, 2024 · Multiple sclerosis is a disease that causes breakdown of the protective covering of nerves. Multiple sclerosis can cause numbness, weakness, trouble walking, vision changes and other …
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Chronic kidney disease - Symptoms and causes - Mayo Clinic
Dec 9, 2025 · Chronic kidney disease happens when the kidneys are damaged for more than a few months. The kidneys clean the blood by removing waste and extra fluid, which leaves the body as …
Hearing loss - Symptoms and causes - Mayo Clinic
Mar 30, 2023 · Hearing aids help to increase volume. For people with profound hearing loss, cochlear implants work by bypassing the hair cells and sending signals directly to the hearing nerve and brain. …
Dehydration - Symptoms & causes - Mayo Clinic
May 2, 2025 · Thirst isn't always a good way to tell if the body needs water. Many people, mainly older adults, don't feel thirsty until they're dehydrated. That's why it's important to increase water intake …
Meniere's disease - Symptoms and causes - Mayo Clinic
Jan 3, 2024 · Hearing loss. Hearing loss in Meniere's disease may come and go, especially early on. Over time, hearing loss can be long-lasting and not get better. Ringing in the ear. Ringing in the ear …
Autism spectrum disorder - Symptoms and causes - Mayo Clinic
May 22, 2025 · Overview Autism spectrum disorder is a condition related to brain development that affects how people see others and socialize with them. This causes problems in communication and …