Intermittent fasting (IF) works by cycling between periods of eating and fasting, allowing the body time to lower insulin levels, tap into fat stores for energy, and trigger cellular repair processes. Popular methods include the 16:8 (fasting for 16 hours, eating within 8), or the 5:2 (normal eating five days a week, and restricted calories on two non-consecutive days). Many find intermittent fasting effective for weight loss, improved metabolic health, and better focus. It’s not just about eating less—it’s about giving your body a break from constant digestion so it can reset and optimize key processes.
However, intermittent fasting isn’t a one-size-fits-all solution. Age, activity level, medical conditions, and lifestyle all play a role in how effective or sustainable it can be. Younger individuals may adapt faster, while older adults, especially those with blood sugar issues or chronic conditions, should consult a healthcare provider first. Some may thrive on fasting, while others may experience fatigue, irritability, or disrupted sleep. Personalization is key—what works for one may not work for another, and success often depends on listening to your body and adjusting accordingly.