You’ve probably heard about intermittent fasting for weight loss, whether it’s by shrinking your eating window each day or cutting calories a couple of times a week. But have you ever wondered if your age affects how well it works—or if there might be some hidden risks? A massive new analysis of over 1,800 adults has found that while intermittent fasting does help people lose weight regardless of age, the story doesn’t end there. The way your body responds, especially concerning muscle and cholesterol, is surprisingly different in your 60s than in your 20s, challenging the idea that fasting is a one-size-fits-all solution.
Key Takeaways
- Universal Weight Loss: Intermittent fasting effectively reduces body weight and BMI across all adult age groups.
- Muscle Loss Risk: A significant portion of the weight you lose can be muscle, not just fat. This is particularly dangerous for older adults who already face age-related muscle decline.
- Surprising Cholesterol Spike: Contrary to some previous findings, this review found that “bad” LD