The traditional approach of changing your program every 12 weeks might actually make sense in order to prevent plateaus. However, there is no hard and fast rule.
Teenagers in Sydney and Melbourne are going on a year-long diet that involves intermittent fasting. It sounds extreme but there are pros and cons to the Fast Track to Health trial.
Losing weight is an effective treatment for type 2 diabetes but beliefs that it's harder to shed kilos when diabetic are unfounded, write Andrew Brown, Mike Lean and Wilma Leslie.
The paleo diet is widely different from the food of our ancestors and its range demands scrutiny before it can be recommended for modern life, argues Rosemary Stanton.
Obese people who lose weight will encounter far less social stigma and may even be seen as fitter than if they had been lean all along, but they may still face prejudice, a new study suggests.
