The health benefits outweigh the risks [1], if measured by increased life span.  This is a relatively common question about cycling.<p>[1] <a href="http:&#x2F;&#x2F;www.ncbi.nlm.nih.gov&#x2F;pmc&#x2F;articles&#x2F;PMC2920084&#x2F;" rel="nofollow">http:&#x2F;&#x2F;www.ncbi.nlm.nih.gov&#x2F;pmc&#x2F;articles&#x2F;PMC2920084&#x2F;</a><p>---<p>Edit for clarity.