In the last 25 years, we’ve spent a lot of time telling you how to be healthy in a changing world. Sometimes we nailed it (moisturizers! marijuana!), and sometimes we fell flat (take our enthusiastic 1997 story on the hair-growth pill Propecia, and our walk-back 18 years later). Here, we take a look at our all-time greatest and gauchest health endorsements, beginning with the fallacy of fat-free fudge brownies.