Vitamin C and cancer: was Nobel laureate Linus Pauling on to something?

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Linus Pauling was one of the most brilliant scientists of the 20th century. He won two Nobel prizes and transformed our understanding of chemical bonds and the structure of proteins. Late in his career, though, he became famous for something very different: a passionate belief that very high doses of vitamin C could help people with cancer. Many doctors scoffed. When Pauling himself later died of cancer aged 93, he was held up as a classic case of the “halo effect”...