Yoga nidra might be a path to better sleep and improved memory

Practicing yoga nidra — a kind of mindfulness training — might improve sleep, cognition, learning, and memory, even in novices, according to a pilot study. After a two-week intervention with a cohort of novice practitioners, the researchers found that the percentage of delta-waves in deep sleep increased and that all tested cognitive abilities improved. View … Read more

After Recalls and Infections, Experts Say Safer Eyedrops Will Require New FDA Powers

WASHINGTON — When you buy eyedrops at a U.S. store, you might assume you’re getting a product made in a clean, well-maintained factory that’s passed muster with health regulators. But repeated recalls involving over-the-counter drops are drawing new attention to just how little U.S. officials know about the conditions at some manufacturing plants on the … Read more

Dengue Fever Is Soaring Worldwide. Here’s What to Know—and How to Stay Protected

Governments and public health experts around the world are sounding the alarm about the record-high spread of one of the most notorious—and incurable—diseases, which about half the world is at risk of catching: dengue. The mosquito-borne virus has a long history in warm climates but is now also emerging in regions where it had been … Read more