The Science of Appetite

Jupiteimages (2)

The Weight Watchers Diet

Article Tools

Philosophy Portion control. Nothing is off-limits, but everything must be in moderation.

How It Works Smaller portions mean fewer calories are taken in, so less fat gets stored. A point system assigns a value to portions of all sorts of foods to help tabulate—and limit—daily consumption. To lose half a kilogram a week, you generally need to consume 500 fewer calories a day.

Downside Hunger. Small portions can leave stomachs growling.

What the World Eats, Part I

What's on family dinner tables in fifteen different homes around the globe? Photographs by Peter Menzel from the book "Hungry Planet"

What Makes You Eat More Food

Seven ways our bodies tell us we're hungry--even when we're not

More Stories

A New Diet Equation

Where you gain weight on your body may play a significant role in how you can lose it

The Science of Appetite

There's a lot more to feeling hungry than you think. New research into what drives us to eat may teach us how to control the urge

Fat Chance

The Biggest Loser helps contestants quickly drop a lot of weight, but what happens when the show is over?

Notes on a Food-Free Diet

An intrepid reporter's firsthand account of how he survived for 48 hours on nothing but a liquid mixture of lemons, cayenne pepper and maple syrup

How the World Eats

In the face of Westernization, families across the globe are abandoning traditional diets and dining habits