Complex sentence: When the circus went bankrupt, the body was claimed by the Université de Montréal, whose scientists then discovered the problem of Beaupré's giant status--his pituitary gland had secreted an abnormal amount of growth hormone throughout his body.
Split into simpler sentences: When the circus went bankrupt, the Université de Montréal claimed the body. Edouard Beaupré's pituitary gland had secreted an abnormal amount of growth hormone throughout his body.