Eating lots of fruits and veggies, some lean meats, and a good mix of healthy fats might help you feel better and live longer.
Evidence from Studies
Supporting (2)
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Association Between Dietary Patterns and Frailty in Chinese Longevity Regions: Evidence From the HABCS
The study found that older adults who ate more vegetables, fish, and some meat were less likely to be frail as they aged, which supports the idea that eating healthy foods like veggies and lean proteins helps people stay strong longer.
The study found that older adults who ate a varied diet with more protein, including from animal sources, were more likely to live longer and age well, which matches the idea that balanced diets with fruits, veggies, and lean proteins help people stay healthy as they age.
Contradicting (1)
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Dietary fatty acids and mortality risk from heart disease in US adults: an analysis based on NHANES
The study looked at different types of fats and found that only polyunsaturated fats were linked to lower heart disease deaths. It didn’t find the same benefit for saturated or monounsaturated fats, which the claim says are healthy.
Gold Standard Evidence Needed
According to GRADE and EBM methodology, here is what ideal scientific evidence would look like to definitively prove or disprove this specific claim, ordered from strongest to weakest evidence.