For an increasing number of students at American universities , Old is suddenly in . The reason in clear : the aging of prefix = st1 /Americameans jobs . Besides the aging of the body--boom   population , a longer life means that the nation's elderly population is certain to grow greatly over the next 50 years . By 2050, 25 percent of all Americans will be older than 65 , up from 14 percent in 1995. The change causes some questions for government and society , of course . But it also creates jobs in medicine and health fields , and in law and business as well. "Besides the doctors , we're going to need more sociologists , biologists , city planners and lawyers," says Professor Edward Schneider of the University of Southern California's (USC) School of Gerontology  .  Lawyers can major in "elder law" , which covers everything including nursing-home abuse   and age discrimination . Businessmen see huge opportunities in the elder market because the baby boomers , 74 million strong , are likely to be the wealthiest group of retires in human history. "Any student who combines an expert knowledge in gerontology with , say , an MBA or law degree will have a license to print money," one professor says . Margarite Santosis a 21-year-old senior at USC. She began college as a biology major but found she was "really bored with biology". So the took a class in gerontology and discovered that she liked it . She says, "I did volunteer work in retirement homes and in was very satisfying." It can be seen from the passage that the explosion of America's elderly population_.
will provide good jobs in many areas will bring a very big problem on society may lead to nursing-home abuse and age discrimination will create new fields of study in universities