True, they have collected data from people with and without the flu virus
Birth defects can be caused wither by internal genetic factors or external factors like drugs, radiation, smoking,...
Dana, who is concerned about the possibility that her baby will have defects, may do the following tests: screening test, that will show if she might have child with birth defect and diagnostic test like amniocentesis (analyzing small amount of amniotic fluid from the area surrounding the baby) which is more than 90% correct.
Answer:
Explanation:
For #1:
People with a high BMI might have a large amount of muscle mass, not necessarily fat.
#2:
People with extremely high BMIs are at risk because an extremely high BMI can indicate obesity.
