You may be 40 years old, but could your brain already be showing signs of accelerated aging? New research involving more than 18,000 people suggests that the answer may depend on much more than genetics or your date of birth.

use prescribed corrective devices, and seek care when sensory changes develop.
9. Smoking and Excessive Alcohol Consumption Can Affect the Brain

Smoking damages blood vessels and increases the risk of stroke and several chronic diseases.

It is also associated with increased dementia risk.

Tobacco smoke contains substances that promote oxidative stress and vascular injury.

Excessive alcohol consumption can also damage neurological function.

Long-term heavy drinking is associated with memory problems, nutritional deficiencies, and certain neurological disorders.

The effects depend on factors such as quantity, duration, underlying health, and patterns of consumption.

What may help: Avoid tobacco use, seek support for