Ancient Roman Disease
Diseases affected the majority of Roman citizens. The mobs that developed in Rome because of lack of food contributed to the disease so it spread like wildfire. Someone would sneeze or cough and the germs would travel to other, or many other people around them. The pipes underground that were used to fluids were made out of lead. Now, in modern time, people rarely use anything made out of lead because it is poisonous and can cause serious brain damage. But back in the CE nobody knew lead was poisonous, so a lot of people would get lead poisoning from drinking the infected water, or eating with lead utensils. Malaria was recently found in DNA of the bones of ancient Romans. Malaria is a major disease that is spread by mosquitos. Just in 262