All Sauce from Weekly Sauce:

A new, tougher rule on the sale of tobacco products will require retailers to check the IDs of any buyers under the age of 30, the U.S. Food and Drug Administration announced Thursday. The final rule, which will go into effect Sept. 30, also restricts tobacco vending machine sales to spaces that are limited to people…  read on >  read on >

Teaching schoolkids to practice mindfulness can boost their mental health — and, maybe, even their grades. That’s the takeaway from a new review of more than three dozen research studies on school-based mindfulness interventions, such as seated or slow-walking meditation.  In a nutshell, these programs teach kids to pay attention to the present moment and…  read on >  read on >

In some people, new-onset depression may stem from the same buildup of toxic plaques in the brain that have long been linked to Alzheimer’s disease, according to a new study. “Our findings provide additional support for depressive symptoms as an early feature of preclinical Alzheimer’s disease,” wrote a team led by Catherine Munro. She’s a…  read on >  read on >

Senior residential homes are breeding grounds for antibiotic-resistant bacteria, due to overprescription of antibiotics, a new study says. Stool samples provided by Australian senior home residents contained bacteria with a wide range of genes linked to antibiotic resistance, researchers report in the Journal of Infection. “Commonly used tablet antibiotics in the elderly increase many types…  read on >  read on >

Fluorescent light can be used to highlight bacteria that hides in wounds, causing infections and slowing down the healing process, a new evidence review says. A handheld fluorescent device can light up bacteria in 9 out of 10 wounds that traditional clinical treatment would overlook, according to a study in the journal Advances in Wound…  read on >  read on >

More than half of people around the world aren’t getting enough micronutrients essential to human health, including calcium, iron and vitamins C and E, a new study says. These deficiencies are contributing to global malnutrition, as well as health problems like blindness, increased vulnerability to infections, and pregnancy complications, researchers said in The Lancet Global…  read on >  read on >

Rural hospitals – and their patients — are particularly vulnerable to the aftershocks caused by ransomware attacks, a new study reports. “Ransomware attacks are bad news for hospitals and patients no matter where they happen, but they’re especially harmful to rural hospitals and patients,” lead researcher Hannah Neprash, an associate professor at the University of…  read on >  read on >

Climate change will increase people’s risk of salmonella poisoning from contaminated food, a new study warns. Increased humidity will make it more likely that leafy greens like lettuce will suffer from bacterial diseases, such as leaf spot, researchers reported Aug. 29 in the journal Applied and Environmental Microbiology. In turn, those bacterial diseases can help…  read on >  read on >