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Kids are known for jumping from one thing to the next, even when they’re supposed to stay focused, but a new study suggests that behavior doesn’t owe to curiosity alone. Scientists say children’s working memory just isn’t developed enough to help them stay locked in on a single task. For the study, they forced adults…  read on >  read on >

Wildfire smoke may do more than harm the lungs. New research shows it could also raise the risk of premature birth. A large study from the University of Washington found that pregnant people exposed to wildfire smoke were more likely to deliver early. The findings, published Nov. 3 in The Lancet Planetary Health, are based…  read on >  read on >

Losing weight is considered one way to improve male fertility, but how guys drop pounds also matters, a new evidence review says. Men who lost weight through diet and exercise did wind up with better sperm quality, even with modest weight loss, researchers recently reported in the journal Human Reproduction Update. However, losing weight through…  read on >  read on >

The first successful pregnancy has occurred using sperm gathered with advanced artificial intelligence (AI), researchers say. The fertility team used AI to scan the male partner’s semen sample for two viable sperm, which were then used to create two embryos and start a pregnancy, researchers recently reported in The Lancet. The couple had been trying…  read on >  read on >

Even a relatively short drive to see a family doctor can hamper a person’s access to health care, a new study says. A family physician located as little as 19 miles away is associated with fewer office visits, less cancer screening and a higher likelihood of getting basic health care at an emergency room, researchers…  read on >  read on >