Complex sentence: However, due to the film censorship and prudishness prevalent at the time, he is unable to convey any useful information at all; any reference to the disease is hidden behind euphemisms such as "unmentionables".
Split into simpler sentences: However, due to the film censorship and prudishness prevalent at the time, he is unable to convey any useful information at all. Any reference to the disease is hidden behind euphemisms such as "unmentionables".