bunch of links I found in the archives, I haven't vetted everything
Circumcision decreases penile sensitivity
http://www.ncbi.nlm.nih.gov/pubmed/23374102?dopt=AbstractCircumcision associated with sexual difficulties
http://www.ncbi.nlm.nih.gov/pubmed/21672947Circumcision linked to alexithymia
http://www.mensstudies.com/content/2772r13175400432/?p=a7068101fbdd48819f10dd04dc1e19fb&pi=4The exaggeration of the benefits of circumcision in regards to HIV/AIDS transmission
http://jme.bmj.com/content/36/12/798.abstractCircumcision/HIV claims are based on insufficient evidence
http://www.4eric.org/wp-content/uploads/2011/06/MC.pdfThere is no case for the widespread implementation of circumcision as a preventative measure to stop transmission of AIDS/HIV
http://onlinelibrary.wiley.com/doi/10.1111/j.1753-6405.2011.00761.x/fullCircumcision decreases sexual pleasure
http://www.ncbi.nlm.nih.gov/pubmed/17155977Circumcision decreases efficiency of nerve response in the glans of the penis
http://www.ncbi.nlm.nih.gov/pubmed/17378847Circumcision policy is influenced by psychosocial factors rather than alleged health benefits
http://www.circumcision.org/policy.htmCircumcision linked to pain, trauma, and psychosexual sequelae
http://www.cirp.org/library/psych/boyle6/Circumcision results in significant loss of erogenous tissue
http://www.ncbi.nlm.nih.gov/pubmed/8800902Circumcision has negligible benefit
http://www.ncbi.nlm.nih.gov/pubmed/9091693Neonatal circumcision linked to pain and trauma
http://www.ncbi.nlm.nih.gov/pubmed/9057731Circumcision may lead to need for increased care and medical attention in the first 3 years of life
http://www.ncbi.nlm.nih.gov/pubmed/9393302Circumcision linked to psychological trauma
http://www.cirp.org/library/psych/goldman1/Circumcision may lead to abnormal brain development and subsequent deviations in behavior
http://www.ncbi.nlm.nih.gov/pubmed/10657682 