The Dose

California is issuing warnings about consuming raw milk after bird flu was detected in some samples from a farm's milk products . But proponents of unpasteurized milk say that it’s healthier than pasteurized milk, despite evidence to the contrary. Lawrence Goodridge, a food safety professor and director of the Canadian Research Institute for Food Safety at the University of Guelph, explains how pasteurization works, while debunking some common myths about raw milk.

Some communities in the U.S. are debating whether to remove fluoride from water supplies. And it's also happening in Canada. Officials recently voted to stop water fluoridation in Montreal's West Island. Dr. Gerry Uswak, a public health dentist and dental therapy professor at the University of Saskatchewan, explains how fluoride protects teeth, while addressing controversial research linking fluoride with a variety of medical conditions.

You may have heard you should throw out your black plastic kitchen utensils. That’s because it could be leaching harmful chemicals into our food. Tizazu Mekonnen, a professor of chemical engineering and Canada Research Chair in sustainable multiphase polymers, explains how black plastic in our home can be harmful to our health, and offers safer alternatives we can use.