VD 306 Venereal Diseases plain speaking "It is very important under present conditions that the public should know of the existence of venereal diseases; their prevalence in war-time; how they are caused; the urgent necessity for early treatment; and where advice and treatment can be obtained"—THE I. Venereal Diseases have increased since the war and are still increasing; 70,000 new cases are now occurring yearly among civilians alone. Venereal diseases cause much misery. They bring tragedy into many homes, and considerably damage our war effort by causing reduced efficiency and wasted hours.