When did demi lovato become bulimic? i need the right and an accurate answer. i need it for a health project in my school but i can't find it in the internet. me!

during longer space exploration trips, crewmembers may develop vision impairment risks and short-term cardiac atrophy or a decrease in the size, strength, weight, and activity of the heart during space flight because they can experience microgravity. in addition, the long-term medical condition is loss of bone mineral density and radiation exposure.