Obesity is a condition in which the natural energy reserve, stored in the fatty tissue of humans and other mammals, is increased to a point where it is associated with certain health conditions or increased mortality.Although obesity is an individual clinical condition, it is increasingly viewed as a serious and growing public health problem: excessive body weight has been shown to predispose to various diseases, particularly cardiovascular diseases, diabetes mellitus type 2, sleep apnea and osteoarthritis.

An objective article discussing whether the heavily marketed Weight Watchers program based around counting points for each meal actually works. It points out both the positives and negatives while evaluating the type of person the diets structure suits.

"In the January issue of Glamour magazine, in an article titled "What to eat to stay slim" two slices of Domino's 12" classic hand-tossed Vegi Pizza Feast(R) and a side salad were named as a healthy meal choice.Not in the mood for veggies? A medium hand-tossed Domino's cheese pizza is only five points on the Weight Watcher's(R) Flex Plan."