https://blogs.mercola.com:443/sites/vitalvotes/archive/2003/12/20/Another-Way-to-Prevent-the-Flu.aspxA study by Canadian researchers demonstrates that children who spent more time in sports activities and had higher aerobic fitness reported fewer "sick" days, and those with body fat higher than 25 percent reported significantly more such events. TheirenCommunityServer 2008.5 SP1 (Debug Build: 31106.3070)