Doesn't Healthy Exercising Always Lead to Lasting Weight Loss?
According to the latest study, the answer is both a definitive Yes and No!
The Latest Studies
Recent evidence from a study conducted by and reported in "The British Journal of Sports Medicine", found evidence to support both positions. According to the researchers, the most comprehensive assessment of the impact of exercise on weight loss to date was conducted by members of an international group of independent researchers known as the Cochrane Collaboration.
The review surveyed 43 individual studies, with the ambition of quantifying the effect that exercise has on weight-loss .
Quantity and Quality of Exercise Varies
The amount of exercise prescribed in these studies varied from study to study; from one-half hour per day several days per week to one hour per day, 5 times per week.
Typically, exercise sessions lasted 45 minutes with a frequency of 3-5 times a week. The lengths of the studies ranged between 3 and 12 months.
Measuring Metabolic Rates
The individual studies in this review were designed to measure metabolic rates and energy use.
Several of them directly compared the effect that exercise or diet has on weight loss. Some other studies in this review compared the effect of diet and exercise with diet alone.
Results showed that 'diet only group’ lost between 6.17 pounds (2.8 kg) and 29 pounds (13.6 kg) during the study periods.
Overall, the 'diet and exercise group' averaged out a slightly better loss of 2.2 pounds or 1 kg over the testing period.
An 'Insignificant Loss' When Measured Against the Investment
Think of it this way: Imagine that you diet and exercise for 45 minutes per day, 4 times per week for 6 months and manage to lose 22 pounds. Sounds pretty good, right?
Well, according to the 'diet only' metabolic data -- now affirmed in over 45 studies -- your 'investment' in time, energy, equipment, travel to and from the gym, etc., etc., will have slimmed you only an additional 2.5 pounds.
When you realize that the time you spent a -- whopping 69 hours -- to lose one (1) additional kg in total weight over the same period -- the 'exercise to lose' mantra rings pretty hollow!
So Why Don't Exercise and Weigh-loss Work Togther?
It's not rocket science -- it's just human nature.
Exercise Has Lots of Great Benefits
Don't get us wrong here! We feel that regular, cardio-vascular and strengthening exercise is a mandatory aspect of good overall physical and mental health.
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