Health claim

“Intermittent fasting or time‑restricted eating improves metabolic health and can increase lifespan.”

Claim checked — strong evidenceLow risknutrition

Evidence Summary

Multiple well-designed studies consistently support this claim.

Multiple studies show fasting improves insulin sensitivity and markers of aging in humans.

Extracted from

The Most Surprising Longevity Discoveries | Lifespan with Dr. David Sinclair Rewind Episode

David Sinclair

In a 76‑minute interview, Dr. David Sinclair discusses recent longevity research, emphasizing lifestyle factors like diet, exercise, and sleep, while also reviewing emerging molecular interventions such as NAD+ precursors and sirtuin‑activating compounds.

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Intermittent fasting or time‑restricted eating improves metabolic health and can increase lifespan. — Evidence Review — MenHealth Digest