Experts warned against diet trends that have surfaced on social media, such as "oatzempic", where followers drink oats blended with water and lime juice, absurd fads like adding chlorophyll to drinking water and dangerous ones such as swallowing a scoop of dry powdered pre-workout supplement mix. The sun had yet to rise and everyone else at home was asleep, but teenager Joy Ng was already up, working out to an exercise video on social media. This might sound like a healthy start to a day, but