Is killing 'zombie' cells the key to healthier aging?

Tatiana Maksimova via Getty Images

Did you know you have “zombie” cells inside you? Senescent cells were given the nickname “zombie” cells because they’re not quite dead, but they also don’t act like living cells — and they can wreak havoc on your tissues. Scientists think that these cells may be behind the damage our lungs, bones and even brains incur as we age. That has made some wonder...