Is the human race evolving or devolving?

English: Human evolution scheme (Photo credit: Wikipedia)

In the aggregate, we may be devolving, given that:
1.  Machines are doing more of our thinking for us.
2.  Obesity is a plague.
3.  More of us are living beyond out "natural" lives."
http://chronicle.com/blogs/percolator/whats-driving-human-evolution-now/34069?cid=pm&utm_source=pm&utm_medium=en

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