Alternative names: Senile dementia/Alzheimer's type (SDAT) Definition: Alzheimer's disease (AD), one form of dementia, is a progressive, degenerative brain disease. It affects memory, thinking, and b ...

Bell's palsy is a neurological disorder caused by damage to the seventh cranial nerve, also known as the facial nerve, which results in weakness or paralysis on one side of the face. The paralysis cau ...

Carpal tunnel syndrome is a common condition caused by compression, or entrapment, of the motor and sensory nerve in the wrist (median nerve), resulting in pain, muscle weakness, impaired reflexes, nu ...

Alternative names: Alzheimer's disease, Chronic brain syndrome; Lewy body dementia; DLB; Vascular dementia  Definition: Dementia is a loss of brain function. It is not a single disease. Instead, deme ...

Alternative names: Lightheadedness - dizzy; Loss of balance; Vertigo  Definition: Dizziness is lightheadedness, feeling like you might faint, being unsteady, loss of balance, or vertigo (a feeling th ...

Alternative names: Seizure disorder  Definition: Epilepsy is a brain disorder involving repeated seizures of any type. Seizure disorders affect about 0.5% of the population. Approximately 1.5-5.0% o ...

Headache is a term used to describe aching or pain that occurs in one or more areas of the head, face, mouth, or neck. Headache can be chronic, recurrent, or occasional. The pain can be mild or severe ...

Alternative Names: Backache; Low back pain; Lumbar pain; Pain - back Definition Pain felt in your lower back may come from the spine, muscles, nerves, or other structures in that region. It may als ...

Alternative Names: Forgetfulness; Amnesia; Impaired memory; Loss of memoryDefinition: Memory loss (amnesia) is unusual forgetfulness that can be caused by brain damage due to disease or injury, or it ...

Alternative Names: Pain - neck; Neck stiffness Neck pain may begin in any of the structures in the neck. These include muscles and nerves as well as spinal vertebrae and the cushioning disks in bet ...