Read the following paragraphs and identify their ways of opening the essay. Being thinner isn’t always better. A number of studies have concluded that normal-weight people are in fact at higher risk of some diseases compared to those who are overweight. And there are health conditions for which being overweight is actually protective. For example, heavier women are less likely to develop calcium deficiency than thin women. Likewise, among the elderly, being somewhat overweight is often an indicator of good health.