A new study finds that people who lost more than 15% of their body weight over a five year period were actually more likely to die than those who didn’t lose weight. What’s more, the biggest losers were more likely to die than people who gained 20% during the same period.
How can this be? We’re constantly bombarded with headlines about the obesity epidemic and how it’s shaving years off our life span. Are you really better off remaining overweight than losing weight?
[bctt tweet="Poor health causes weight loss, not the other way around." username="nutritiondiva"]
This latest study does not distinguish between intentional and unintentional weight loss, nor did it take into account the cause of death. People who are terminally ill tend to lose weight. But there's a world of difference between losing weight due to serious illness and intentionally losing weight.
Weight Loss vs. Fat Loss
One way to see this quite clearly is to distinguish between the loss of total body weight and the loss of body fat. The loss of total body weight may be associated with increased mortality. But the loss of body fat is associated with increased life span.
Another way to separate out the effect of wasting disease is to distinguish between intentional and unintentional weight loss. Previous studies have shown that while unintentional weight loss is associated with increased risk of death, intentional weight loss can reduce mortality by 15%
The Bottom Line(s)
Actually, I have three bottom lines for you
Bottom Line #1. Losing excess body fat will improve your health.
Bottom Line #2. Losing weight slowly will increase the percentage of body fat you lose.
Bottom Line #3. Losing a modest amount of weight and keeping it off will do more to improve your health than repeatedly losing and gaining large amounts of weight.
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One thought on “Losing weight will shorten your life? Not exactly.”
Great summary! Thanks for pointing this out. I will share this article for sure.