January 15, 2026

Hitting gym to lose weight? Science says exercise alone might not be enough. Here’s what you need to know

Team Metabolic Health

Exercising to lose weight? Research shows it’s not as effective as you think. Find out why relying on workouts alone may not help you shed those extra pounds. If you’re hitting the gym thinking it’s the ultimate solution for weight loss, it might be time to reconsider your approach. While exercise is undoubtedly important for overall health and fitness, research shows that relying solely on it to shed pounds might not be as effective as you think. A recent study on the Hadza tribe challenges popular belief, offering fresh insights for those looking to lose weight. 

Study finds active lifestyles don’t burn significantly more calories than sedentary ones. (Freepik)

Calorie burn in active vs sedentary lifestyles

When Herman Pontzer began researching the metabolism of the Hadza, a modern hunter-gatherer tribe in Tanzania, he expected their calorie burn to be through the roof. With their constant activity like walking, jogging, lifting, and carrying throughout the day, he thought they’d burn far more calories than a sedentary office worker.

A study on the Hadza tribe revealed they burn similar calories as sedentary office workers. (Unsplash)

Exercise alone may not be the most effective strategy for weight loss. (Freepik)

This theory suggests that our bodies and brains can adjust the number of calories we burn by slowing down or even shutting down certain biological functions when we’re more active, ultimately keeping our total calorie burn within a narrow range.

“We’ve studied people who are extremely active,” including marathon runners crossing the U.S., Pontzer explained, “and those who are very sedentary, and it turns out they burn about the same number of calories.” This insight helps explain why many people don’t lose significant weight from exercise alone, even though it improves their health.

Disclaimer: This article is for informational purposes only and not a substitute for professional medical advice. Always seek the advice of your doctor with any questions about a medical condition.

Credit: Hindustan Times

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