TikTokers are zapping their skin with red light; dermatologists say they're onto something

When police kicked down the front door of a London, Ont. townhouse in July 2024, a trail of blood on the floor and walls led them to an upstairs bedroom, where they found the near-lifeless body of Breanna Broadfoot. Kneeling beside her, gripping a bloody 20-centimetre kitchen knife, was her boyfriend, Kuhkpaw Moo, according to police. Breanna, whose screams could be heard in the background of a 911 call earlier that evening, was rushed to hospital with catastrophic stab wounds. She died approximately 37 hours later. She was 17 years old. Breanna was one of at least 1,329 women...