Preventive medicine
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Preventive medicine · May 2011
Randomized Controlled TrialDecaying behavioral effects in a randomized, multi-year fruit and vegetable intake intervention.
To examine the effects of a multi-component, theory-based, 2.5-year intervention on children's fruit and vegetable consumption, preferences, knowledge and body mass index. ⋯ Although there was initial fruit and vegetable behavior change, annual measurements indicated a gradual decay of behavioral effects. These data have implications for the design of school-based fruit and vegetable interventions.
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Preventive medicine · May 2011
CommentDose-response relationship between walking and the attenuation of inherited weight.
Genetic factors account for 40%-70% of the variation in body mass index (BMI). We sought to test whether moderate intensity physical activity affected parent-offspring relationships for body mass index and regional adiposity in 26,587 female and 6428 male walkers surveyed in the United States in 2000. ⋯ These results suggest that moderate intensity physical activity attenuates inheritance of both total and regional adiposity in a dose-dependent manner.