Month: March 2025

Later this year, a handful of people with a rare eye condition will receive a novel injection that is designed to quite literally turn back time.  Nonarteritic anterior ischemic optic neuropathy—known as NAION—can cause sudden blindness when blood flow to the optic nerve is blocked. It’s not clear what causes the condition, although diabetes, high … Read more

BENGALURU, India — Most of the world has dirty air, with just 17% of cities globally meeting air pollution guidelines, a report Tuesday found. Switzerland-based air quality monitoring database IQAir analyzed data from 40,000 air quality monitoring stations in 138 countries and found that Chad, Congo, Bangladesh, Pakistan and India had the dirtiest air. India … Read more

It’s hard to believe it’s been five years since the start of the COVID-19 pandemic. Since 2020, the disease has killed more than 1.2 million Americans—more than in any other country. That accounts for more than 1 in 7 reported COVID-19 deaths in the whole world (although the true global death toll is likely much … Read more