Alzheimer's disease is a progressive brain disorder that affects memory, thinking, and behavior. It is the most common cause of dementia, which is a decline in cognitive function.

High blood pressure is the leading cause of stroke. It can damage the blood vessels in the brain, making them more likely to burst or become blocked.

Tremor is the most common symptom of Parkinson's disease. It is a rhythmic shaking of the hands, arms, legs, or head.

Multiple sclerosis is an autoimmune disease in which the body's immune system attacks the central nervous system, including the brain, spinal cord, and optic nerves.

Glioma is the most common type of brain tumor. It is a type of cancer that starts in the glial cells, which are cells that support the neurons in the brain.

Epilepsy is the most common neurological disorder in children. It is a disorder of the brain that causes seizures.

Stroke is the leading cause of death from neurological disease. It is a sudden loss of blood flow to the brain, which can cause permanent brain damage.

Alzheimer's disease is the most common type of dementia. It is a progressive brain disorder that affects memory, thinking, and behavior.

Headache is the most common symptom of a brain tumor. It is often a dull, aching pain that gets worse over time.

Parkinson's disease is the most common type of movement disorder. It is a progressive brain disorder that affects movement, balance, and coordination.

Insomnia is the most common type of sleep disorder. It is a difficulty falling asleep or staying asleep.

Tension headache is the most common type of headache. It is a mild to moderate pain that feels like a tight band around the head.

Acute back pain is the most common type of back pain. It is a sudden onset of pain that lasts for less than 6 weeks.

Acute neck pain is the most common type of neck pain. It is a sudden onset of pain that lasts for less than 6 weeks.