First of all, what do you mean when u say 20 options.
Also, here is your answer:
Chronic disease<span>: A </span>disease<span> that persists for a long time. A </span>chronic disease<span> is one lasting 3 months or more, by the definition of the U.S. National Center for Health Statistics. </span>Chronic diseases<span> generally cannot be prevented by vaccines or cured by medication, nor do they just disappear.
So, it is B. </span><span>Lasts for a long time </span>
national, environmental, professional, and social
See, if you don't brush your teeth regularly, they will rot and your teeth are so close to your brain that it won't make your brain feel any good at all! It can cause a lot of diseases!
I think the answer would be, The Pericardium.