Psittacosis is an infectious disease caused by Chlamydia psittaci, a type of bacteria that most often infects birds. Psittacosis causes a wide range of symptoms in people, including fever, headache, and a dry cough. This illness can also cause pneumonia (a lung infection) that may require treatment or care in a hospital. Rarely, psittacosis can be deadly.
Dragon Balls come in sets of seven with each ball displaying the number of stars that signifies its respective number in the set. It was said by Colonel Silver that the Dragon Balls are unbreakable when he dropped a fake Dragon Ball.
The Dragon Ball GT series is the shortest of the Dragon Ball series, consisting of only 64 episodes; as opposed to its predecessor, Dragon Ball Z, which consisted of 291 episodes, Dragon Ball, which consisted of 153, and its ongoing successor series Dragon Ball Super, with over 100 episodes.