Alzheimers disease overview We'll then have fewer brain cells by our twenties and thirties, and by middle age. But in fact, in a remarkable discovery, scientists have learned that the brain generates new cells every day, in a process called neurogenesis. What really happens is that most new brain cell growth continues until early adulthood, around the age of 18 to 20. Thereafter, new brain cells do grow, but more die off than ar https://livesmartt.com/alzheimers-disease-overview/https://www.minds.com/livesmartt141/blog/https-livesmartt-com-alzheimers-disease-overview-888715457373732864