While social media sites initially began as a way to keep in touch with our friends, they have grown so that any post has the potential to reach millions of people – this means that viral trends such as health and nutrition hacks on TikTok can spread like wildfire. However, new research suggests that you should think twice before trying one of these potentially questionable health trends on the likes of TikTok or Instagram as alarmingly few of them are backed by science. New survey reveals how willing people are to try viral hacksNutrition and food tracking app, MyFitnessPal, has conducted a s…