As a basic start, check out the newest studies on a newsfeed like
Reuters Health. See what journals published the studies you're interested in, then go to the journals' websites and/or PubMed (easily found through Google) to view abstracts and more info.
You can also find out about new studies and industry news by signing up to media lists or newsfeeds for major organizations that are relevant to your areas of interest (i.e., CDCP, ADA, AMA, NSCA, ACE, ACSM, etc.)