Most hair, body, and personal care products contain “chemicals of concern.” A Columbia epidemiologist explains how to figure out what's safe to buy and use.
At the meeting, Columbia researchers presented work about the flow of guns between states, prevention of school gun violence, and universal background checks.
Methylene blue, an affordable synthetic dye, has been shown to be highly effective at blocking transmission of the malarial parasite Plasmodium falciparum from patients to mosquito hosts.