How This Common Drug Can Have Lasting Effects on Kids

TIME

In a study published inNature Communications, scientists document the possible long-term effects of antibiotics when they’re used early in life. Their study involved mice, but the team used the drugs in doses and treatment regimens that mimic those frequently administered in young children.

Dr. Martin Blaser, professor of medicine and microbiology at New York University Langone Medical Center, and his colleagues tested three different antibiotic regimens: one involving amoxicillin, another involving macrolides and a final one that combined the two. They compared these animals to mice that received a placebo. The mice got antibiotics 10 to 15 days after birth, then again 27 days later and finally after day 39. They lived for 160 days, at which point they were sacrificed and their gut bacteria were studied.

MORE:Here’s What Eating Nothing But McDonalds for 10 Days Does to Your Gut Bacteria

Compared to the mice taking the…

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