Lizard moms may prepare their babies for a stressful world
Stressed out lizard moms tend to give their developing embryos short shrift, but the hardship may ultimately be a good thing for the babies once they're born, according to a study published in the journal Physiological and Biochemical Zoology.
Stress changes the way animals allocate energy. During predator attacks or food shortages, hormones are released that help the body to access stored energy. But for pregnant females there's a potential trade-off. Stress hormones could rob precious energy from developing embryos, leading to offspring that aren't as healthy.
A research ...







