How old is your brain?
After you turn 40, your brain gets 5% smaller with each passing decade. It shrinks even faster once you hit 70. Scientists aren’t sure why, but brain cells die off with age.
Does brain match your age?

When it comes to our brains, science shows that this age disconnect is an actual thing: Our brains can essentially age at a different rate than our chronological years. Depending on your health, lifestyle, and personality, you could be much younger, or older, in brain years than you realize.
What is a good brain age?
That’s right, your brain processing power and memory peaks at the age of 18, according to new research published in Sage Journals. Determined to find out the peak age for different brain functions, the researchers quizzed thousands of people aged from 10 to 90.
How mature is your mind?
Your brain changes a lot between birth and adolescence. It grows in overall size, modifies the number of cells contained within, and transforms the degree of connectivity. The changes don’t stop once you turn 18. In fact, scientists now think your brain continues maturing and fine-tuning itself well into your 20s.

What age does IQ peak?
The European study, which was released this week, found evidence that we tend to hit our cognitive maximum around age 35 and remain there until about age 45, at which point a long, slow decline takes hold.
Does the brain develop until 25?
Neuroscientists are confirming what car rental places already figured out — the brain doesn’t fully mature until age 25. Up until this age, the prefrontal cortex — the part of the brain that helps curb impulsive behavior — is not yet fully developed.
How can I raise my IQ to 200?
Here are some activities you can do to improve various areas of your intelligence, from reasoning and planning to problem-solving and more.
- Memory activities.
- Executive control activities.
- Visuospatial reasoning activities.
- Relational skills.
- Musical instruments.
- New languages.
- Frequent reading.
- Continued education.