Where to find the worst health advice

I'm convinced that the worst place to look for health advice is in the supermarket checkout lanes. Today when I was at the supermarket, I noticed amidst the tabloids a women's magazine called First for Women that looked very stylish and for that reason somewhat credible as a health magazine. But the top story told me everything: Lose 16 pounds in 4 days! I first wondered why anybody would want that goal. I can see being impatient, but what's the point in losing 16 pounds that quickly? Am I missing something? My second thought was that such a goal was either extremely unhealthy or illusory. I would imagine that almost all of that weight would be water weight; otherwise, the advice is extremely unhealthy. It's amazing that such mags can bill themselves as health magazines!