[pct-l] Heavy Backpacks May Damage Nerves, Muscles and Skeleton, Study Suggests

[River Malcolm]

Thank you Yoshohiro for sharing your knowledge. 

Sent from my iPhone

On Mar 1, 2013, at 5:51 PM, Yoshihiro Murakami <completewalker at gmail.com> wrote:

> Dear Jeffrey
> 
> No need to worry about that article. The sciencedaily is a mass media,
> which has some tendency to sensationalism.  It only suggested that the
> heavy strain to the shoulders may damage to the soft tissues.
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