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“Rolling stop” laws that let bicyclists treat stop signs as yield signs are not dangerous, a new study demonstrates. Both bike riders and drivers perform safely in intersections once they’ve been informed about how the law works, results from lab experiments involving bicycle and motor vehicle simulators show. “The focus of previous research has been…  read on >  read on >

A new study supports the notion that women age 40 and older get a mammogram each year rather than every two years, to help catch breast cancers early. The rate at which mammograms revealed a tumor in its later stages was significantly lower among women who got an annual mammogram versus those who spaced the…  read on >  read on >

Recreational drug users are three times more likely to have repeated heart health emergencies than people who don’t use, a new study has found. About 11% of patients admitted to intensive cardiac care units have been using recreational drugs, said researcher Dr. Raphael Mirailles, a physician with the Hospital Lariboisiere in Paris. Overall, “recreational drug…  read on >  read on >

An improved test for Lyme disease could provide accurate results within 20 minutes, researchers report. The test — which resembles an AI-guided form of the at-home COVID-19 test — would be a vast improvement over the current two-part lab test that takes up to two weeks for results, researchers said. “A lot of folks find…  read on >  read on >

Good sleep is important for the health of overweight men and women, a new study shows. Heavy-set people who stay awake too late tend to have a higher risk of metabolic syndrome — a cluster of conditions that increase the risk of heart disease, diabetes, stroke and other chronic health problems. “Our research shows that…  read on >  read on >

Your heart health before and after a heart attack might be influenced by how loud your neighborhood is, new research suggests. One study found that people under 50 were more prone to heart attack if they lived in a noisy area, while another study showed the prognosis for heart attack survivors was worse if neighborhood…  read on >  read on >

People with multiple sclerosis appear to have a lower risk of developing Alzheimer’s disease, a new study suggests. MS patients are far less likely to have elevated blood levels of toxic proteins that form amyloid plaques in the brains of people with Alzheimer’s, researchers report. “Our findings imply that some component of the biology of…  read on >  read on >