We tend to think of IQ as fixed. Either you’re born smart, or you’re not. But the truth is, your daily habits have a powerful influence on your cognitive performance. Even if you’re not getting dumber, you may be operating far below your full mental potential thanks to a handful of modern routines that wear down your brain function over time.
Worse, many of the culprits are disguised as completely normal behavior—things you do every day without a second thought. Over time, these subtle habits can impair memory, reduce focus, and even lower your IQ by a few points. It may not be dramatic at first, but the long-term effects add up.
