How To Lose Weight: Obesity
Content provided by the Faculty of the Harvard Medical School
How to lose weight
Eat less, exercise more. If only it were that simple! As most dieters know, losing weight can be very challenging. As we've seen, a range of influences can affect how people gain and lose weight. But a basic understanding of how to tip your energy balance in favor of weight loss (see Figure 5) is a good place to start.
Figure 5: A balancing act
 To lose weight, you must take in less energy (fewer calories) through food than you expend through exercise and metabolism. Some diets may succeed (in the short term, at least) simply because they lead to a reduced calorie intake — even if their methods are not explicitly grounded in calorie reduction. |
| Last updated: | June 20, 2007 |
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Medical content reviewed by the Faculty of the Harvard Medical School. Harvard Health Publications, Copyright © 2007 by President and Fellows of Harvard College. All rights reserved. Used with permission of StayWell.
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