More than one in five diabetes patients admitted to hospital with COVID-19 die within 28 days, according to a study conducted in France.

One day, physicians may be able to look at an African American's skin color, and, with the help of other determinants, know if prescribing vitamin D supplements would lower that person's risk of getting cancers of the prostate, colon, rectum, or breast.

Thousands of U.S. military personnel are refusing or delaying COVID-19 vaccination, even as service members are being deployed to help give shots at vaccination centers nationwide.

Internal government emails reveal Monsanto owner Bayer and industry lobbyist CropLife America have been working closely with US officials to pressure Mexico into abandoning its intended ban on glyphosate, a pesticide linked to cancer that is the key ingredient in Monsanto’s Roundup weedkiller.

COVID-19 patients are at least three times more likely to experience complications if they also have gum disease, according to new research published in the Journal of Clinical Periodontology.

French farmers have increased pesticide use by 25 percent in the past decade, an inquiry led by environmental organization La Fondation Nicolas Hulot has found. The increase has occurred despite the country’s goal to reduce pesticide usage by 50 percent by 2025.

A World Health Organization (WHO) team investigating the origins of Covid-19 has all but dismissed the theory that the virus came from a laboratory.

New COVID-19 variants that make the virus more contagious and could render vaccine and antibody protection less effective have spread rapidly across dozens of countries, the World Health Organization says.