What do King Charles and Gwyneth Paltrow have in common? Give up? They’ve both at one point or another caused coffee colonic-related controversies. In a 2004 speech to the Royal College of Obstetricians and Gynaecologists on complementary therapies and cancer care, the then Prince of Wales’ comments on Gerson therapy – a health program, marketed as an alternative treatment for cancer, that includes regular coffee enemas as a way to clear toxins from the body – seemed to endorse the unproven regimen. The prince’s opinion drew criticism from medical experts. Wellness influencer Gwyneth Paltrow, on the other hand, promoted a...