Some ideas of health lore seem based purely on superstition. Swallowing a pumpkin seed won’t cause an actual pumpkin to grow in your stomach. And cats can’t steal the breath of babies simply because both drink milk (many cats are actually lactose-intolerant).

But some ancient words of advice seem a bit more plausible, and could have roots in medical truths. MyHealthNewsDaily asked the experts which of some common cultural wisdoms hold up in the light of science.