The New York Times' Science section was a good read this morning.

First, there is an article by Nicholas Bakalar on scientifically proven wrinkle reducers here, based on a study in The Archives of Dermatology, with a good explanation on what fibroblasts do and info on the enzyme matrix metalloproteinase, which basically eats your damaged collagen, which stimulates the fibroblasts to create more (good) collagen.  

Next, Tara Parker-Pope tackles the question of fat and fit vs. skinny and unfit, citing an interesting study published in The Journal of the American Medical Association. It basically looked at the BMI of individuals (in my opinion, a flawed test of fit vs. fat) and saw some surprising results in people with a BMI of 25 – 30 (which is considered "overweight").  My reason for citing this piece is that the impact of "fat" on your skin is pretty striking. The layer of "fat tissue" (or, more scientifically accurate and way more polite, adipose tissue) gives the skin shape and contour.  If you have no fat tissue on your body, guess what?  Your skin is going to start to sag.  While I do not advise eating an entire cheesecake every day, I think that a little chub goes a long way in giving skin a lift.

I honestly did not want to get into the Madonna fray, but if the pop-diva ate a few french fries once in while, her face may look a little fresher (without resorting to surgical enhancements).
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