Brain shrinkage typically starts in a person's 30s and 40s.
According to research, by the age of 6, the brain achieves about 90% of its adult volume. However, the process of brain shrinkage begins later in life. Here’s a breakdown:
- Early Stages: Brain shrinkage can begin as early as your 30s and 40s.
- Increased Rate: The rate of shrinkage tends to increase significantly around age 60.
In summary, while the initial stages of brain shrinkage may start in your 30s and 40s, it's a gradual process that accelerates as you get older .
