This week, Revolution Health (part of the Revolution company founded by Steve Case), officially launched a new online health resource center in collaboration with O, The Oprah Magazine.

To celebrate the launch, they're giving away tickets to five women (each winner gets to take a friend) to attend the "O You" conference in Miami on September 29th. Revolution Health is a sponsor of the day-long conference which will feature inspirational speakers made famous on Oprah's tv show: Bob Greene (fitness expert), Martha Beck (life coach), Suze Orman (finance expert) and Dr. Mehmet Oz (heart surgeon and - may I add - connoisseur of bodily grossness).

One set of tickets will be given away each week, with this first week's sweepstakes ending on July 21st. All registered Revolution Health users are eligible to enter the contest -- you can submit an entry every day to increase your chances of winning. Just click on the contest link from the resource center.

Check out some of the areas of the O Guide, like Healthy house, which includes tips on eco-living and cleaner indoor air, and Women's health (today, there's an item on the "quarter-life crisis" for you twenty-somethings - did you know there was such a thing?).