THURSDAY, March 25, 2021It’s very rare, but it is possible to catch COVID-19 even if you’ve been vaccinated, a new study finds. Looking at vaccinated health care workers at two University of California campuses, researchers found a tiny number tested positive for the virus. This finding highlights the need to keep wearing a mask and…  read on >  read on >

Even small increases of nitrogen dioxide (NO2) air pollution may cause an uptick in heart- and lung-related deaths, underscoring the need to tighten limits on this type of air pollution, Chinese researchers say. NO2 is produced by burning fuel for vehicles, power and industrial production. World Health Organization (WHO) air quality guidelines recommend NO2 levels…  read on >  read on >

Regular aerobic exercise increases blood flow to the brain, which may help slow mental decline in older adults, a new, small study suggests. Researchers from University of Texas Southwestern Medical Center looked at 70 men and women diagnosed with mild cognitive impairment (MCI). This means there are slight changes to the brain that affect memory,…  read on >  read on >

There’s a reason you may choose to talk in singsong tones and with exaggerated sounds when you’re talking to babies — they’re more likely to listen. New research shows that babies pay more attention to baby talk than to regular speech. The finding held in many languages, and even when the baby was bilingual. “Crucially…  read on >  read on >

A new study shows just how devastating a diagnosis of mental decline can be: Researchers found that rates of suicide rise sharply in the months after such news is delivered. The study of almost 148,000 older U.S. Department of Veterans Affairs patients, mostly men, looked at diagnoses for mild cognitive impairment (MCI), which is often…  read on >  read on >