Yes, consuming excessive amounts of alcohol over a prolonged period can cause brain damage. Alcohol affects many areas of the brain and can interfere with its communication pathways. This can lead to a range of neurological problems, including:

Wernicke-Korsakoff Syndrome: This is a disorder that results from a deficiency of vitamin B1 (thiamine) and is commonly seen in alcoholics. Symptoms include confusion, memory loss, and difficulty with coordination.

Alcohol-related dementia: Long-term heavy drinking can cause brain damage and result in a decline in cognitive abilities.

Increased risk of stroke: Drinking alcohol can lead to high blood pressure and can increase the risk of stroke.

Brain shrinkage: Long-term alcohol use can cause the brain to shrink, leading to cognitive problems.

Seizures: Alcohol can lower the seizure threshold, which can increase the risk of seizures in some people.

Neuropathy: Alcohol can cause damage to the peripheral nervous system, resulting in symptoms such as numbness, tingling, and pain in the hands and feet.

Overall, alcohol can have a significant impact on brain function and can cause a range of neurological problems, particularly when consumed in excess over a prolonged period.