All Sauce from Weekly Sauce:

Why does one person take a lot of risks and another proceed with more caution? Researchers came closer to that answer with a new study that shows risk-taking behavior may be related to characteristics in the brain. The study found there is no one risk area in the brain. Instead, there are many regions where…  read on >  read on >

While pandemic lockdowns may have initially triggered feelings of isolation and worry, stay-at-home stress dissipated with time as people adjusted to their “new normal,” research suggests. In the study, scientists did a state-by-state analysis of Google search trends between January and June of 2020, covering topics such as COVID regulation policies, mental health concerns and…  read on >  read on >

Enlarged spaces in the brain that fill with fluid around small blood vessels may be a harbinger of impending dementia, a new Australian study suggests. Typically, these so-called perivascular spaces help clear waste and toxins from the brain and might be linked with changes in the aging brain, researchers say. “Dilated perivascular spaces, which are…  read on >  read on >

There have long been theories that women’s menstrual cycles align with the moon, and now a new study suggests there’s some truth to that. Using years of records kept by 22 women, researchers found that for many, menstrual cycles “intermittently” synced up with the phases of the moon. The link happened only about one-quarter of…  read on >  read on >

Some states have started to ease tight social distancing restrictions as COVID-19 infections and hospitalizations begin to plateau across the United States. Still, the emergence of more infectious coronavirus variants in this country has prompted many officials to proceed cautiously on reopening their economies, the Associated Press reported. The recipe for the balancing act seems…  read on >  read on >

Think your dog is smart? New research suggests one way to find out. Most dogs can’t learn words without extensive training, but a few with exceptional abilities learn words without any formal training, researchers report. They learn words simply by playing with their owners. The team of Hungarian researchers investigated how quickly two of these…  read on >  read on >

An experimental gene therapy for Duchenne muscular dystrophy shows promise, a small study suggests. The severe form of muscular dystrophy — which affects about one in 3,500 males born each year in the United States — causes muscles to progressively weaken and lose the ability to regenerate after an injury. Muscle tissue is eventually replaced…  read on >  read on >

Too much screen time can make your toddler more distractible, British researchers warn. The use of smartphones and tablets by babies and toddlers has soared in recent years. “The first few years of life are critical for children to learn how to control their attention and ignore distraction, early skills that are known to be…  read on >  read on >