The single greatest factor for low-birth-weight babies that could be prevented is

Question

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Smoking tobacco during pregnancy is the single greatest factor for low-birth-weight babies that could be prevented. Smoking during pregnancy reduces the amount of oxygen and nutrients that reach the baby, leading to poor growth and development. It also increases the risk of premature birth and other complications. Avoiding smoking during pregnancy can greatly improve the chances of having a healthy baby with a normal birth weight.

The Single Greatest Factor for Low-Birth-Weight Babies That Could Be