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 …

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 …

Jul 7, 2022 · Autonomic neuropathy occurs when there is damage to the nerves that control automatic body functions. It can affect blood pressure, temperature control, digestion, bladder function and …

Jan 20, 2026 · Stress. Mindfulness calms the nervous system. This reduces the body's stress hormone, cortisol. Anxiety. Mindfulness can ease anxiety by helping you stay focused in the present instead of …

Niacin is a B vitamin the body makes. The body uses niacin to turn food into energy. It helps keep the nervous system, digestive system, and skin healthy. People may take niacin, also called vitamin B-3, …

It includes more than 200 experts in diagnosing and treating more than 500 conditions of the nervous system. These include epilepsy, autoimmune neurology, aneurysms, movement disorders, …

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 …

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

Apr 1, 2026 · Description Methylphenidate is used to treat attention deficit hyperactivity disorder (ADHD). It belongs to the group of medicines called central nervous system (CNS) stimulants. …