Endocrine Immunological Lack of Chemical Physical Biologic Genetic agent agent disorder imbalance reaction oxygen agent Sprain Salicylism Malaria Albinism Lupus erythematosus Marasmus Psoriasis Polycystic ovarian syndrome Asphyxia Gray-baby syndrome

In many viral diseases such as smallpox, and mumps, illness occurs shortly after exposure to the virus. In others such as, AIDS, the victim may not show any symptoms for many years. How would you explain the difference between the two situations>

Which of the following are true regarding direct causes of diseases? Check all that apply Direct diseases are easier to understand thanindirect diseases.Direct diseases are caused by lifestyledecisions.Direct diseases have no interferencesbetween the disease and the person.Direct diseases can be caused byenvironmental factors such as the sun

1. Explain how incidence and prevalence are related to each other with examples.. 2. A study starts with 6,659 healthy people. Over the next 2 years, 175 develop multiple sclerosis. What is the incidence proportion of multiple sclerosis over the study period? Show all work. Look up a journal article on multiple sclerosis and summarize the findings. 3. The country of South Korea had 51.74 million people in 2020, with 8.4 million aged 65 or older. At the end of 2020 South Korea reported 830,000 people aged 65 or older currently had dementia. What is the prevalence of dementia among those aged 65 or older?