Diet Strategies That Really Work

Free Food: Packaging Labels Contain Errors

Enough with the dieting advice. Here is what actually worked for 99 percent of 5,000 people who lost weight and kept off at least 30 pounds of it.

Count calories.

Robin Lloyd

Robin Lloyd was a senior editor at Space.com and Live Science from 2007 to 2009. She holds a B.A. degree in sociology from Smith College and a Ph.D. and M.A. degree in sociology from the University of California at Santa Barbara. She is currently a freelance science writer based in New York City and a contributing editor at Scientific American, as well as an adjunct professor at New York University's Science, Health and Environmental Reporting Program.