News and opinion on cardiovascular health, exercise and nutrition
@drportnay
Follow me on twitter @drportnay for daily thoughts, comments on recent news items and retweets
Tuesday, April 20, 2010
Tumblr
I've now made the leap to the newest social media format. Besides here and on twitter (@drportnay), I will also be posting on tumblr.com. Its a very easy way to share thoughts, links, qoutes, pictures and videos.
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