On coming on Yahoo News comes up .. this isn't bad ..
Common Things That Make You Dumb
Bad news: You're not just getting older—you're getting dumber. Yep, according to a new study published in the journal Trends in Genetics, humans have lost the smarts they once had in the days of fending off saber tooth tigers and seeking refuge in caves.
See, the stakes just aren't the same as they used to be, the study authors argue. They write that while our ancestors lived and died by the ability to find food and shelter, those processes simply don't require as much brainpower in today's world. The other side: Humans have simply evolved to do tons more cool things—way better than the cavemen could have.
While the jury's still out, there are plenty of things you do every day that certainly don't help your noggin—like these five.
It’s common to experience a little brain fog as we age, but much like muscles, the more exercise you give your brain, the stronger it will be. And you don't need any crazy products or regiments to stay sharp: these simple lifestyle tips can keep your brain young for years.