If you’ve hit the path or checked out the crowd at your local 5K lately, you’ve likely seen athletes wearing tall, colorful compression socks. Some runners—and the companies who make the socks—swear the tight-fitting garments help you stride faster and recover more quickly. But a new study casts doubt on at least some of these claims. In fact, college runners actually exercised for less time when wearing them, according to results just posted online in the Journal of Strength and Conditioning Research. Read the full article in Prevention News.