Epidemiologist and cardiologist Dr. Christopher Labos breaks down the dangers of an extreme tanning trend and questionable sunscreen advice being promoted on social media platforms like TikTok. »»» Subscribe to CBC News to watch more videos: http://bit.ly/1RreYWS Connect with CBC News Online: For breaking news, video, audio and in-depth coverage: http://bit.ly/1Z0m6iX Follow CBC News on TikTok: https://bit.ly/3TnHioe Follow CBC News on Twitter: http://bit.ly/1sA5P9H Subscribe to CBC News on

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