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Caregivers take heartfelt hit

Although an emotional burden lightens for elderly people when a spouse with Alzheimer's disease dies or is placed in a nursing home, the former caregiver's blood pressure rises for at least 1 year after this transition, a new study suggests. During this period of physical vulnerability, further stress may undermine heart and blood vessel function, propose psychiatrist Igor Grant of the University of California, San Diego and his colleagues.

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