The Malignant Humours have written you a prescription for some medical-grade sketch comedy! Returning for their 20th year at the Edinburgh Fringe, after eight years of back-to-back sell-out shows " they may only be medical students, but they are fully qualified to tickle your funny bone. Theyll have you in stitches " guaranteed! Laughter is the best medicine! **** (Derek Awards 2018). 'If you see only one student revue this year...' **** (TheatreGuideLondon.co.uk).