My Little Pony: Friendship Is Magic Season 7 Episode 20 - A Health of Information Episode Title:A Health of Information.Episode Description:While helping Fluttershy gather supplies in a swamp, Zecora contracts a disease called swamp fever that threatens to eventually turn her into a tree, for which no cure is known. Holding herself responsible for Zecora's condition, Fluttershy vows to heal her as quickly as possible. After much sleepless research, Fluttershy finds a special honey first discovered by her idol, Mage Meadowbrook. By this time, Fluttershy contracts swamp fever as well, but continues to push herself for Zecora's sake until she passes out due to extreme exhaustion during a confrontation with the bees. Fluttershy reflects that her careless determination has only endangered Zecora, so she enacts a careful plan to extract the honey using Meadowbrook's mask as a disguise. After successfully treating Zecora and herself, Fluttershy apologizes for her impulsiveness, and has learned to do things carefully and logically.