correlational
Strong Support
Baby rats that are overfed after birth by being in small litters grow up to have more body fat and weigh more than rats from normal-sized litters, both as young pups and as adults
9
0
Evidence from Studies
Supporting (1)
9
Community contributions welcome
9
Scientists raised baby rats in small families (3 pups) or normal families (10 pups), then measured their weight and fat at young and adult ages. The rats from small families grew heavier and had more fat at both ages - exactly what the claim says would happen.
Contradicting (0)
0
Community contributions welcome
No contradicting evidence found
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.