There's an invisible health threat right under our feet, says investigative journalist Yvette Cabrera. She digs into the pervasive problem of lead contamination in soil — a particular risk for children in cities — and shares her action...

A consumer information organization is reporting the discovery of concerning levels of a dangerous substance in many popular protein powders. CBC health columnist Dr. Melissa Lem has more on lead contamination.

A yearlong journalistic investigation found about one-third of 12,000 recent water tests showed lead levels exceeding Canada's federal guidelines.

The city of Newark is aiming to fix its water crisis in under three years.