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Study finds gaps in evidence for air-cleaning technologies to prevent infections

A new study led by researchers from the University of Colorado Anschutz Medical Campus and the National Institute for Occupational Safety and Health (NIOSH) through the Centers for Disease Control and Prevention (CDC) finds that although many technologies claim to clean indoor air and prevent the spread of viruses like COVID-19 and the flu, most have not been tested on people and their potential risks are not yet fully understood. Published today in the Annals of Internal Medicine, the research

Most Air Purifiers Haven’t Been Tested on Humans. That’s a Problem

Portable air cleaners aimed at curbing indoor spread of infections are rarely tested for how well they protect people—and very few studies evaluate their potentially harmful effects. That’s the upshot of a detailed review of nearly 700 studies that we co-authored in the journal Annals of Internal Medicine. Many respiratory viruses, such as covid-19 and influenza, can spread through indoor air. Technologies such as HEPA filters, ultraviolet light, and special ventilation designs—collectively kno

Three highlights from Apple’s two-day event on privacy and AI

A few months ago, Apple hosted the Workshop on Privacy-Preserving Machine Learning, which featured presentations and discussions on privacy, security, and other key areas in responsible machine learning development. Now, it has made the presentations public. Here are three highlights. As it did recently with the presentations from the 2024 Workshop on Human-Centered Machine Learning, Apple published a post in its Machine Learning Research blog with a few videos and a long list of studies and pa

Doctors Are Warning That Ozempic’s Severe Side Effects May Outweigh Its Benefits

Image by Roberto Pfeil / picture alliance via Getty / Futurism Rx/Medicines As weight loss jabs like Ozempic and Wegovy become ever more popular, doctors are growing increasingly concerned about their gnarly side effects. As Germany's Deutsche Welle notes, people who take glucagon-like peptide-1 (GLP-1) agonist/receptors, the class of drugs that the popular shots fall under, have reported everything from stomach issues and vision changes to erectile dysfunction and even suicide. Though clinic

Is being bilingual good for your brain?

R eams of papers have been published on the cognitive advantages of multilingualism. Beyond the conversational doors it can open, multilingualism is supposed to improve “executive function”, a loose concept that includes the ability to ignore distractions, plan complex tasks and update beliefs as new information arrives. Most striking, numerous studies have even shown that bilinguals undergo a later onset of dementia, perhaps of around four years, on average. But some of these studies have faile

Missing Heritability: Much More Than You Wanted to Know

The Story So Far The mid-20th century was the golden age of nurture. Psychoanalysis, behaviorism, and the spirit of the ‘60s convinced most experts that parents, peers, and propaganda were the most important causes of adult personality. Starting in the 1970s, the pendulum swung the other way. Twin studies shocked the world by demonstrating that most behavioral traits - including socially relevant traits like IQ - were substantially genetic. Typical estimates for adult IQ found it was about 60%