How do cockroaches affect your health?

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Some of the dangers of living with cockroaches include: Feces and saliva of roaches can cause a host of issues: breathing problems, can make asthma worse, can trigger asthma, or even cause asthma, congestion, and can even transfer some of the worst diseases: e. coli, salmonella, typhoid, urinary tract infections, digestive problems, sepsis, cholera, leprosy, dysentery, plague, polio. Cockroach allergies can include skin rash, coughing, wheezing, nasal congestion, ear infection, sinus infection. Cockroaches also cause odors.
From WebMD What to Know About Cockroaches and Your Health
How does living in a home where cats freely urinate and defecate affect human health?
The urine of a cat has a high concentration of ammonia levels in it. After it turns into a solid form, its concentration level increases. Ammonia breathing can lead to respiratory, asthma, and bronchitis health diseases in people.