Jerry King

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In this Aug. 30, 2013 photo, Pauline King cares for her husband Jerry King at their home in Anna, Ill. Jerry was diagnosed with Multiple Sclerosis in 1978. He can no longer go to the bathroom, bathe or dress himself without assistance from Pauline. You promise in sickness and in health, but a new poll shows becoming a caregiver to a frail spouse causes more stress than having to care for Mom, Dad or even the in-laws. Americans count on their families to care for them as they get older, with good reason: Half of people 40 and over already have been caregivers to relatives or friends, the poll found. (AP Photo/Stephen Lance Dennee)