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 …

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 …

Aug 22, 2025 · A breakdown in the communication between nerves and muscles causes weakness and fatigue of muscles under your control.

Jun 13, 2020 · Most pneumonia occurs when a breakdown in your body's natural defenses allows germs to invade and multiply within your lungs. To destroy the attacking organisms, white …

Mar 30, 2022 · Seasonal affective disorder (SAD) is a type of depression that typically occurs each year during fall and winter. Use of a light box can offer relief. But for some people, light …

Apr 25, 2024 · Overview Huntington's disease causes nerve cells in the brain to decay over time. The disease affects a person's movements, thinking ability and mental health. Huntington's …

Nov 19, 2024 · Emphysema is a long-term lung condition that causes shortness of breath. Over time, the condition damages the thin walls of the air sacs in the lungs called alveoli. In healthy …

Apr 8, 2025 · Osteoarthritis is the most common form of arthritis, affecting millions of people worldwide. It happens when the protective cartilage that cushions the ends of the bones wears …

Aug 14, 2024 · Overview Bipolar disorder, formerly called manic depression, is a mental health condition that causes extreme mood swings. These include emotional highs, also known as …

Apr 15, 2025 · Overview A cholecystectomy (koh-luh-sis-TEK-tuh-me) is a surgery to remove the gallbladder. The gallbladder is a pear-shaped organ that sits just below the liver on the upper …