Influencers on TikTok are touting a new diet trend that they claim has helped them shed up to 30lbs in just weeks by making a simple tweak to their morning coffee. However, one expert is sounding the alarm about the potential dangers of this fad. Dubbed the Coffee Loophole diet, it began with influencers sharing that they'd slimmed down by sipping black coffee instead of eating when hunger struck. The craze quickly escalated as more content creators suggested adding various ingredients like