Legalized marijuana is raising new concerns about babies born in the state.

“DENVER (CBS4) – Colorado’s legalization of recreational marijuana has led to an increase in the number of babies being born THC-positive. One Pueblo hospital is reporting nearly half the babies tested in one month had marijuana in their system. Vicky Houston, of Woodland Park, saw nothing wrong with using medical marijuana for her health while pregnant. “I believe it’s beneficial, I don’t think it’s toxic in any shape or form,” she told CBS4’s Rick Sallinger.”