ACAI, a Brazilian berry now found in everything from smoothies to yogurt to cereal, is worth some of its buzz. It carries an antioxidant mother lode, a small amount of omega-3s (the brain/heart/mood helpers you get from fish), and fiber. Just watch what else you're getting with it: One acai-mango smoothie we found had 255 calories per serving; another drink had 22 grams of sugar — that's more than you get in some cookies.
Do Not Try: 7 Dangerous, Weird, and Completely Ineffective Ways to Lose Weight
A ballon that expands in your stomach? Nooooo.
The Government Says a Vegan Diet Is Best for the Environment
Naturally the meat people...have a beef with the federal report.