Which sentence contains the main idea of the paragraph?

now you can stop feeling guilty about that bite of chocolate you had for dessert. chocolate has been found to be a cause of weight gain. but chocolate does have some health benefits. however, don’t reach for that chocolate cake just yet. researchers found that only people who had an average of one ounce of dark chocolate per day received the health benefit. dark chocolate is full of flavonoids, which can prevent diseases. flavonoids have been found to decrease cholesterol and reduce the blood clots that cause strokes. flavonoids also boost a natural chemical in your brain called serotonin. low serotonin can cause depression. that’s probably why eating chocolate boosts mood and feelings of well-being.

What is the meaning of each underlined word in these excerpts from "a modest proposal" by jonathan swift? i think it is agreed by all parties, that this prodigious number of children in the arms, or on the backs, or at the heels of their mothers, and frequently of their fathers, is in the present deplorable state of the kingdom, a very great additional grievance; and therefore whoever could find out a fair, cheap and easy method of making these children sound and useful members of the common-wealth, would deserve so well of the publick, as to have his statue set up for a preserver of the nation. some persons of a desponding spirit are in great concern about that vast number of poor people, who are aged, diseased, or maimed; and i have been desired to employ my thoughts what course may be taken, to ease the nation of so grievous an incumbrance. the word prodigious means . the word desponding means .