The medicine trough which was discovered at the monastic hospital of the Alahana Pirivena premises in Polonnaruwa. Image courtesy lankatraveldirectory.com Acupuncture is still in practise in modern day Sri Lanka. Image courtesy acupuncturesrilanka.com The snakewood plant has not been clearly identified, but surgeon and academic Sir Nicholas Attygalle speculated that the touch-me-not plant (nidhi kumba in Sinhalese) may have been the plant that was referred to as snakewood. Image courtesy Youtube/Rashid sk Bezoar stones, which were taken from the stomachs of goats, were used by the Portuguese to cure different illnesses, like malaria for example. Image courtesy wikipedia.org