All Sauce from Weekly Sauce:

A growing number of U.S. teenagers are vaping marijuana — a habit that in some ways may be more risky than old-fashioned pot smoking, a new study finds. Researchers found that between 2017 and 2019, the percentage of teens who reported any marijuana use in the past month ticked upward slightly — from 13.9% to…  read on >  read on >

Anyone who’s tried to sleep on a hot summer night knows how hard it is to nod off when the mercury is rising. So it’s no surprise that global warming is likely to cost people more and more shut-eye as temperatures around the world rise. By the end of this century, individuals could be subjected…  read on >  read on >

Dementia risk factors appear to shift with age, and experts say knowing that could help people make lifestyle changes to reduce their chances of developing the disease. “Dementia is a complicated disease and risk prediction scores need to be tailored to the individual,” said Emer McGrath of the National University of Ireland Galway, lead author…  read on >  read on >

If you’ve had a root canal, you can expect your tooth to survive for about 11 years, researchers say. For a time, root canals can maintain teeth affected by cavities or other problems, but the tooth eventually becomes brittle and dies. To learn more about just how long that process might take, researchers analyzed data…  read on >  read on >

Giving antibiotics to a woman just before a cesarean delivery does not increase her baby’s risk of asthma or eczema, a new British study says. C-section is common, but can put new mothers at increased of infection, so they’re given preventative antibiotics. “Maternal infections, such as wound infection, can be a risk in the period…  read on >  read on >