You’re an Adult. Your Brain, Not So Much. - The New York Times

To keep your brain healthy, it's essential to maintain a balanced diet, exercise regularly, and engage in activities that challenge your mind, like reading or puzzles. Understanding your brain helps you appreciate its complexity and importance in everyday life. Early diagnosis and treatment are crucial for improving quality of life and preventing complications. An oral testosterone treatment can play a surprising role. It weighs about three pounds and consists of billions of cells called neurons that communicate through electrical signals.
https://www.rethinktestosterone.com/blog/testosterone-and-dementia