Cold weather: What does an unheated room do to your body?

The Food and Drug Administration has approved Narcan, a naloxone nasal spray that can reverse opioid overdoses and save lives, for over-the-counter use. In an announcement Wednesday, FDA Commissioner Robert M. Califf said the move is meant to address a “dire public health need” and will help increase access and reduce opioid overdose deaths in…

The “weekend warrior” exercise pattern once dismissed by experts as not quite good enough may not be so bad after all. A study in this week’s JAMA Network Open finds that people who walk 8,000 or more steps a day once or twice a week achieve cardiovascular benefits and lower mortality rates that are almost…

With flu season in full swing — and other seasonal respiratory infections also spiking across the U.S. — experts say it’s important to keep your immune system strong and healthy during this time of year.  One way to combat seasonal illness is to regularly consume key nutrients and proteins that help improve immune health, according…

Artur Widak | Nurphoto | Getty Images Shares of Moderna closed more than 13% higher on Tuesday after Oppenheimer upgraded the stock to “outperform,” saying the Covid vaccine maker could market five products by 2026. The upgrade follows a dismal 2023 for Moderna, whose only commercially available product is its Covid shot. The company’s stock…

Experts are not too concerned about a new variant of Covid but say monitoring should continue.

The inquiry heard that in some countries, children were at the forefront of national concerns. The prime ministers in Norway and New Zealand held TV briefings for children at the start of the pandemic to reassure them and to thank them for all they were doing. “We didn’t have such an event in the UK,…