Optic atrophy is a condition in which the optic nerve begins to deteriorate. The optic nerve is the nerve at the back of your eye that connects your eye to your brain, allowing you to see. There are a ...

Muscle atrophy is the loss of muscle mass. Low physical activity, nutritional deficiencies, genetic factors, and some medical conditions may contribute. Muscle atrophy due to inactivity can occur if a ...

Brain atrophy (cerebral atrophy) is the loss of brain cells called neurons, as well as the connections that help cells communicate. It can result from different diseases that damage the brain. As you ...

Testicular atrophy occurs when the testes shrink. Several potential causes include aging, underlying medical conditions, or infections. The testes are two reproductive glands located in the scrotum ...

Pure autonomic failure may serve as a prodromal manifestation of Parkinson disease, Lewy body dementia, and multiple system atrophy.