Vitamin B12: the essential nutrient with a complicated cancer link

KhalifahFA/Shutterstock We’ve all heard the advice: eat your fruit and vegetables, get your vitamins, and stay healthy. For the most part, that guidance holds up. But some nutrients have a more complicated story, and vitamin B12 is a fascinating example. Also known as cobalamin, B12 is essential for life. It helps the body produce red […]

The mental toll of quarantine on board a cruise ship – explained by a psychologist

Mystic Stock Photography/Shutterstock The MV Hondius left Ushuaia, Argentina, on April 1. Within days, one passenger had become ill. Within weeks, the voyage had become the focus of an international health response after cases of Andes virus, a type of hantavirus, were identified among passengers and crew. By early May, several people had died. Passengers […]

Conserving 30% of the planet will only succeed if people are part of the plan

Masai herders in Kenya. JWCohen/Shutterstock What do you see when you imagine a conservation area? Perhaps a remote rainforest, a towering mountain range or a coral reef teeming with life. But do you expect to see any people? It would be understandable if you answered no. Most media coverage of nature ignores people. Many protected […]