Can climbing stairs help you live longer? 4 takeaways from this week's health news.

Can climbing stairs help you live longer? 4 takeaways from this week's health news.

Can climbing stairs help you live longer? 4 takeaways from this week's health news. Welcome to your weekly roundup of all the health news you may have missed. Bird flu continues to dominate the headlines after one in five pasteurized milk samples were found to contain traces of the virus. Health officials continue to maintain that pasteurized milk is still safe to drink, however. According to our latest Yahoo News/YouGov poll, 52% of American adults still drink some type of …