Choose the statement that indicates the longevity of Americans is increasing. Multiple Choice The incidence of Alzheimer disease is decreasing annually. The American culture is changing, placing a higher value on the aged population. The pharmaceutical industry is developing flu vaccines. The number of people older than 80 years old is expected to increase by 1 million from 2010 to 2020. One in seven individuals, or almost 15% of the population, is 65 or older