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Based on The Longitudinal Study of Aging which assessed the health and social functioning of a representative sample of 7527 American community-dwelling older people (over 70 years) researchers tested the hypothesis that frequent volunteering is associated with less mortality risk when the effects of socio-demographics, medical status, physical activity and social integration are controlled. Researchers involved with the Baltimore Longitudinal Study of Aging found that while the capacity for aerobic exercise declines steadily as a person ages, an active lifestyle can slow the process. The Harvard researchers measured tibial and patellar bone lead levels by [KAPPA] X-ray fluorescence in a subset of participants in the Normative Aging Study, a Boston-based longitudinal study of aging in men. |
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