Juan Celedón, a respected pulmonary researcher at the University of Pittsburgh, wanted to address an urgent national problem. Severe asthma attacks send hundreds of thousands of U.S. children to the hospital every year. For decades, researchers have suspected extra vitamin D—essential for bone growth and healthy development, and also an […]

Reconstruction of the Tinkuqchaka bridge is here almost complete. (Credit: Cirilo Vivanco) A remarkable ancient technology and tradition of creating suspension bridges to unite communities in the Andes is sadly fading into history. One early January morning in the mid-1980s after a daylong journey from Ayacucho (formerly “Guamanga”), I (Lidio) […]

Sources of particulate matter and effects they can have on the human mucosal system. Credit: Matthias Marczynski Air, water contamination disrupts body’s first line of internal defense. Major disruptions to our health and quality of life are front of mind in an era when wildfires, floods, and the ongoing COVID-19 pandemic impact […]

Human activity is changing the climate in unprecedented and sometimes irreversible ways, a major UN scientific report has said. The landmark study warns of increasingly extreme heatwaves, droughts and flooding, and a key temperature limit being broken in just over a decade. The report “is a code red for humanity”, […]

Ice receding from a glacier near Kangerlussuaq, Greenland. This photo was taken during a helicopter tour of the region with US Secretary of State Antony Blinken in May 2021. (Image credit: Saul Loeb/Pool/AFP via Getty Images.) Greenland’s enormous ice sheet has been struck by a “massive melting event,” with enough ice […]

Although cats have lived alongside humans for millennia, it remains a dogs’ world. This bias has historically bled into science as well. It’s time for cats to get their day, argues veterinary medicine expert Leslie Lyons in a Forum published on July 28, 2021, in the journal Trends in Genetics. Cats, […]

Process plagued by missing efficacy data and questionable evidence; Some experts argue that FDA’s standards for evidence are too low. Since the US Food and Drug Administration (FDA) established its accelerated approval pathway for drugs in 1992, nearly half (112) of the 253 drugs authorized have not been confirmed as […]

Repeatedly getting angry, hitting, shaking, or yelling at children is linked with smaller brain structures in adolescence, according to a new study published in Development and Psychology. It was conducted by Sabrina Suffren, PhD, at Université de Montréal and the CHU Sainte-Justine Research Centre in partnership with researchers from Stanford University. […]

Anxiety, depression, burnout rising as college students prepare to return to campus. Experts at Ohio State create checklist to promote and protect student mental health. A new “return to campus” survey led by The Ohio State University’s Office of the Chief Wellness Officer finds rising rates of anxiety, depression, burnout […]

The school holidays are here, and parents struggling to get their children to bed will no doubt be thinking: what is wrong with you? I would do anything to get more sleep! Children seem to do everything possible to avoid sleep, yet many adults can’t seem to get enough of it. […]