They were made to entertain adult males while they were being warned about things like gonorrhea ... some less-than-kid-friendly cartoons.Gene Lester/Getty Images Geisel had published ...

In a two-year period during the Civil War, the Union Army documented 100,000 cases of gonorrhea. During World War I, the Army lost 7 million person-days and discharged more than 10,000 men because ...