August 4, 2024 by Veronique Seidel, The Conversation Credit: Pixabay/CC0 Public DomainCastor oil, which was once used by fascists in Italy as punishment because of its quick-acting laxative effect, is now a weight-loss trend on TikTok. Not drinking it, but rubbing it on your belly. Influencers are also pouring it in their belly buttons and...
