Methamphetamine, the primary component in crystal meth, intensely stimulates the nervous system, producing immediate euphoria but also posing risks of psychosis, dependence, and brain damage.

Getting enough sleep, exercising regularly, and learning a new musical instrument or language can stimulate the brain and limit cognitive decline.

The habit of staying up late "devastates" the nervous system, exposing young individuals to the risk of irreversible memory decline and brain aging.

Vaccines help prevent infectious agents, support reducing the risk of dementia, and boost brain immunity.

Lack of sleep, prolonged stress, physical inactivity, and frequent consumption of sweets can impair brain function, increasing the risk of cerebrovascular diseases.