All Sauce from Weekly Sauce:

Older adults who get a lot of “screen time” may have an increased risk of developing dementia — but a lot depends on what type of screen they use, a new study suggests. Researchers found that among older British adults, those who spent a lot of time watching TV were more likely to be diagnosed…  read on >  read on >

A person’s unrelated lookalike, commonly known as a doppelganger, may actually share genes that affect not only how they appear, but also their behavior. In a new study, scientists did DNA analysis on 32 sets of virtual twins — people with strong facial similarities — and found they possessed similar genetic variants. “Our study provides…  read on >  read on >

If you think hallucinogens like LSD are a thing of the past, think again. New research estimates that the use of mind-altering LSD rose from less than 1% in 2002 to 4% in 2019 among people aged 18 to 25. And, overall, 5.5 million Americans used some kind of hallucinogen in 2019. “According to our…  read on >  read on >

Looking for a new reason to work out? Here’s a good one: Regular exercise appears to significantly reduce your risk of getting COVID-19, a large international research review has found. And, if you do get COVID, the study found, routine moderate and/or intense exercise dramatically lowers your odds for serious illness, hospitalization and/or death. “There…  read on >  read on >

Marijuana and hallucinogen use are at an all-time high among young adults, U.S. health officials reported Monday. Compared to five or 10 years ago, the use of these drugs over the past year has risen significantly among 19- to 30-year-olds, according to the Monitoring the Future panel study. The new data were collected through online…  read on >  read on >