Jul 29, 2025 · Symptoms Common anxiety signs and symptoms include: Feeling nervous, restless or tense. Having a sense of impending danger, panic or doom. Having an increased heart rate. …

Dec 13, 2024 · Overview Autoimmune encephalitis (en-sef-uh-LIE-tis) is a group of conditions that causes swelling in the brain. This happens because the immune system mistakenly attacks brain …

Apr 26, 2023 · Nervous breakdown isn't a medical term. It most often means a mental health crisis that affects your ability to meet your own needs and do daily tasks.

Dec 20, 2024 · Feeling nervous or anxious about public speaking is common, but it also can be motivating. Fear of public speaking is a form of performance anxiety, along with stage fright and test …

Nov 1, 2024 · In multiple sclerosis, the protective coating on nerve fibers, known as myelin, in the central nervous system is damaged. Depending on the location of the damage in the central nervous …

Explore comprehensive guides on hundreds of common and rare diseases and conditions from the experts at Mayo Clinic.

Oct 14, 2025 · Epilepsy is a brain condition that causes recurring seizures. There are many types of epilepsy. In some people, the cause can be found. In others, the cause is not known. Epilepsy also is …

Dec 20, 2024 · Overview Vagus nerve stimulation involves using a device to send electrical impulses to the vagus nerve. The vagus nerve is the main nerve of the system that controls digestion, heart rate …

Oct 11, 2024 · Overview Irritable bowel syndrome (IBS) is a common condition that affects the stomach and intestines, also called the gastrointestinal tract. Symptoms include cramping, belly pain, bloating, …

The Mayo Clinic Department of Neurology is one of the largest and most comprehensive neurological practices in the world. It includes more than 200 experts in diagnosing and treating more than 500 …