HS
Chlamydia is one of the most common diseases. It's not the worst sexually transmitted disease, as it won't kill you. It can cause long-term complications.
herpes and aids
heart diseases is become worst because of cancer.what causes cancer? smoking, which cause heart diseases. when you get heart diseases you might get a heart attach, which would take you into hospital. you could also be on medication all your life if you don't look after your lifestyle.
Any diseases that kill you are bad diseases. If they aggressively infect others, they are really bad diseases. Influenza is a good example.
herpes and aids
No single breed of cat has the worst health. It really depends on what diseases that the certain breed is likely to get that you consider the worst. However, purebreds usually have the most problems.
There are many diseases that entered American territory that killed many people where many lives are put in danger. One of the worst disease in New York is the yellow fever in the year 1668.
there are all kinds of horrible diseases in the world on being malaria ans swine flu. but the worst one are the ones with no cure! :(
The diseases, such as gangrene and trench foot, the war itself, and the weather conditions.
Anemia, gout, scurvy. From best to worst.
The Panama Canal workers suffered from deadly endemic diseases. These were known as yellow fever and malaria. These diseases practically disabled many and killed at least 20k workers in the 1880's.