Authored by: Natalie Bushell Art by: Carla Hu Who is allowed to give health advice? And when did “sharing wellness tips” morph into practicing medicine? The rise of fitness influencers on social media has become an entire industry, turning what was once a hobby into the sole source of income for many individuals. With no certifications or credentials needed to promote products on TikTok and other social media platforms, "influencers" are profiting off of the advice they give to the public,...