Researchers in the United Kingdom say staying social could actually keep your mind sharp as you age.
A team at the University of Southampton examined data from the British National Child Development Study, which has followed several thousand people born in 1958 since birth.
Researchers found that most participants' cognitive abilities either remained the same or declined between the ages of 11 and 50.
But for about a quarter of them, brain performance actually improved.
For more, watch the video above.