Including an extra session of physical education in the timetable of elementary school children may have a big impact on their health later in life, new research suggests. John Cawley, Cornell professor of policy analysis and management, and colleagues found that an extra 60-minutes of physical education per week lowered BMI and reduced the probability that a fifth-grader is obese by 4.8%. However, the benefits of extra physical education were mainly seen in boys – it only had a negligible effect on girls. The authors believe that this is at least partly because physical education and other physical activities are complements for boys (increased physical education leads boys to be more active in structured physical activities like organized sports), but substitutes for girls (increased physical education leads girls to spend more time watching television).
John Cawley, David Frisvold, Chad Meyerhoefer. The impact of physical education on obesity among elementary school children. Journal of Health Economics. 2013 May 9. [epub ahead of print]
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Tip #179 - Swimming in Good Reasons
Researchers from the University of South Carolina (South Carolina, USA) analyzed data collected on 40,547 men, ages 20 to 90 years, for the period 1971–2003. The team found that swimmers had 53%, 50%, and 49% lower all-cause mortality risk than did men who were sedentary, walkers, or runners, respectively. In addition, swimmers demonstrated greater cardiorespiratory fitness than walkers and sedentary people.
Consult your anti-aging physician to assess the level of fitness appropriate to your medical needs; s/he will help design an exercise regimen tailored for you.