Even when women do their best to have a safe pregnancy, chemicals commonly found in the home could still raise their risk for premature delivery, a new study shows. The chemicals — called polybrominated diphenyl ethers (PBDEs) — are used as flame retardants in items like furniture and carpets. For the study, researchers analyzed blood…  read on >  read on >

A single measles outbreak cost one U.S. county $3.4 million, a new government study estimates, underscoring the societal burden of inadequate vaccination rates. The outbreak occurred in Clark County, Wash., in early 2019, and ultimately infected 71 people — mostly children younger than 10 who hadn’t received the measles-mumps-rubella (MMR) vaccine. The county’s low MMR…  read on >  read on >

Cotton masks provide better protection against the new coronavirus than those made with synthetic fabrics, researchers say. In a new study, investigators tested different mask fabrics under conditions that mimic the humidity of a person’s breath in order to assess how the fabrics perform in actual use. Under humid conditions, filtration efficiency (a measure of…  read on >  read on >

In medieval Europe, when childbirth was highly perilous for both mother and child, women and those caring for them used various talismans to try to influence a safe delivery. Not many of those relics have survived, but scientists have been studying one – a parchment “birthing girdle” – using non-invasive sampling and protein analysis. “Although…  read on >  read on >

Yes, you really are seeing double — more twins are being born now than ever before. There are a number of reasons why, according to a new study. Since the 1980s, twin births rose by a third worldwide — from 9 to 12 per 1,000 deliveries. About 1.6 million twins are born each year and…  read on >  read on >