Want to improve your stamina? Start exercising!

[ahlam1399]

http://img-s-msn-com.akamaized.net/tenant/amp/entityid/BBnSJGG.img?h=100&w=100&m=6&q=60&o=f&l=fThe study says exercising boosts the production of a hormone-like substance that helps in building stamina. A new study has revealed about the â??exercise hormoneâ?? that promotes physical endurance. The study in mice shows that...

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