Answer: a) Retrospective cohort study
B) Relative risk C) 3.1
The cholesterol level measured in 1992 is a valid determinant of exposure status during the entire study period.
Answer:
West Nile virus.
Explanation:
West Nile virus is transmitted by the bite of an infected mosquito. Usually, the person experiences the same symptoms as in normal flu: fiber, headaches, and muscular pain, but In some cases, the infection can be fatal. There are no vaccines against the West Nile virus, to prevent being infected you should apply mosquito repellant and cover your arms and legs.
The answer to this question is C. <span>Adults would not use their phones when they are behind the wheel</span>
Answer:
Health is our state of matter controlled by pain and organs in our body, our health concerns on diets and anything we consume.
