But getting older is not all bad for many people. Mounting evidence suggests aging may be a key to happiness. There is conflicting research on the subject, however, and experts say it may all boil down to this: Attitude is everything.Older adults tend to be more optimistic and to have a positive outlook on life than those younger, stressed ones, research is finding. According to this research, older adults remember the past through a rosy lens, and it's also becoming apparent to researchers that being old could lend itself to optimism. Aging can bring more cheer as people become more comfortable with themselves and their role in society, according to another study published in 1989.But others, who are doubtful about the link between happiness and growing older, believe that those in old age are happiest is misleading since older people have lower income than younger, are less healthy, and more likely to be living alone. In fact, scientists have found that as people age, their health declines and social networks narrow down (as peers die), which can make the elderly less happy.Even if one must admit age's dark side, health and happiness don't always go hand-in-hand. It's all about attitude. Attitude about life, and thus46. What does "through a rosy lens" (Para. 2) mean?

Aging brings wrinkles, unattractive bodies and frustrating forgetfulness. But getting older is not all bad for many people. Mounting evidence suggests aging may be a key to happiness. There is conflicting research on the subject, however, and experts say it may all boil down to this: Attitude is everything. Older adults tend to be more optimistic and to have a positive outlook on life than those younger, stressed ones, research is finding. According to this research, older adults remember the past through a rosy lens, and it's also becoming apparent to researchers that being old could lend itself to optimism. Aging can bring more cheer as people become more comfortable with themselves and their role in society, according to another study published in 1989. But others, who are doubtful about the link between happiness and growing older, believe that those in old age are happiest is misleading since older people have lower income than younger, are less healthy, and more likely to be living alone. In fact, scientists have found that as people age, their health declines and social networks narrow down (as peers die), which can make the elderly less happy. Even if one must admit age's dark side, health and happiness don't always go hand-in-hand. It's all about attitude. Attitude about life, and thus 46. What does "through a rosy lens" (Para. 2) mean? A. In a passive way. B. In an optimistic way.