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InterventionIntermittent fasting
Intermittent fasting is an eating pattern in which you deliberately avoid food during fixed periods, for example by concentrating meals in a limited time window or by eating very little on certain days. It demonstrably improves blood sugar, insulin sensitivity and body weight, with early time-restricted eating (meals before 15:00) appearing most effective according to the strongest studies. Over the longer term it offers no additional health benefits compared with simply eating fewer calories, but the structure can help you stick to it.
Related questions
Can fasting reverse your biological age?
Moderate evidence · 8 studies
Does fasting or eating less help your memory and concentration?
Preliminary evidence · 8 studies
Does intermittent fasting help your gut health?
Yes · Moderate evidence · 8 studies
Does fasting or intermittent fasting help prevent cancer?
Preliminary evidence · 8 studies
Does fasting reset your immune system?
Moderate evidence · 7 studies
What does intermittent fasting do to your insulin sensitivity?
7 studies
Can fasting really rejuvenate your cells?
Preliminary evidence · 7 studies
What does fasting one day a week do to your gut microbiome?
7 studies
Is intermittent fasting good for longevity?
Moderate evidence · 7 studies
What is AMPK and how do you activate it (through fasting or exercise)?
Yes · Moderate evidence · 6 studies
Does fasting (intermittent fasting) help improve your insulin levels and other hormones?
Yes · Moderate evidence · 6 studies
Does fasting help your cells clean themselves up?
Yes · Moderate evidence · 6 studies
Is intermittent fasting worth it?
Yes · Moderate evidence · 5 studies
Does fasting or calorie restriction make the skin look younger?
Preliminary evidence · 5 studies
How many hours of fasting are needed to activate autophagy?
4 studies
Can you drink coffee during intermittent fasting?
Yes · Moderate evidence · 3 studies
Is intermittent fasting safe if you have type 2 diabetes?
Yes · Moderate evidence · 8 studies
Does a fasting-mimicking diet work better than simply eating less?
Moderate evidence · 6 studies
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