The Weekly Skinny: All the healthy news you need (3-18-11)

Ads for quick weight loss have been around for decades. Now you can see the wild diet promises from yesteryear. FatFighterTV has a look at this story and other diet and fitness headlines making news this week.

Decades of dieting delusions on display
Apparently, looking for a quick way to lose weight has been around for quite awhile. And ads that promise amazing results have been, too - like taking a salt bath, eating "bile beans" or shaking pounds off with an electric massage belt. Now posters of these ads and a collection of old diet books will be on display for several months at the Library of Congress in Washington, D.C.

Also see: Beware of bogus weight loss claims

Costco switches to sustainable seafood
Costco says it's going to stop selling 12 species of fish that environmental groups have identified as being over-fished: Atlantic cod, Atlantic halibut, bluefin tuna, Chilean sea bass, Greenland halibut, grouper, monkfish, orange roughy, redfish, shark, swordfish, skates, and rays. Other grocers are also switching to sustainable seafood.

Also see: Frankenfish or super salmon

Childhood obesity up dramatically in developing countries
The U.S. isn't the only place where childhood obesity is going up. A new report from the World Health Organization finds the number of overweight African children under five has tripled to 13.5 million in 20 years. Researchers say poor diet, low rates of breastfeeding and a sedentary lifestyle are mainly to blame for the sharp rise in overweight children in Africa and other developing countries.

Also see: Obesity rates up in 28 states - is yours one of them?

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[photo credit: Getty Images]