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In the 1940s and 50s, Canada secretly conducted nutrition experiments on Indigenous people, mostly children in residential schools. About 1,300 people, including 1,000 kids, were used as test subjects without their consent. Led by government officials and doctors like Frederick Tisdall, researchers deliberately kept starving children malnourished. They denied them medical and dental care to observe the effects. Some received vitamin supplements, while others were left to suffer. Survivors later revealed the horrific conditions. Children were punished, forced to eat their own vomit, and some died slowly from neglect while researchers recorded their suffering. These experiments took place in schools such as Alberni, Shubenacadie, and St. Mary’s, as well as in isolated Indigenous communities. Victims were unaware they were part of a study. Their pain was reduced to data in scientific papers, with no mention of the abuse. The government kept this hidden until 2013, when historian Ian Mosby uncovered the truth. It remains one of Canada’s darkest and most shameful chapters.