1: Women prefer intact penises.
2: Masturbation feels better.
3: Circumcision significantly reduces sensitivity.
4: Despite the reduced sensitivity, there is no change to lasting longer during sex.
Source: http://onlinelibrary.wiley.com/doi/10.1111/j.1743-6109.2005.00070.x/abstract;jsessionid=E233A9E106A9 A6D724B4E3606446784E.d03t01
5: Cut men have a more difficult time fapping.
Which was the reason it was promoted in the USA in the first place.
6: Circumcision increases risk of erectile dysfunctions.
7: If too much skin is removed in circumcision, it can make the penis smaller since the dong needs some skin to expand during an erection:
8: Circumcision does not lower the risk of AIDS.
9: Circumcision is more hygienic. Who the fuck doesn't clean their dick? It's a three second job you do when you shower so this is not a valid argument. Women produce 10 times as much smegma as men - so it's OK to amputate an infant girls' labia lips so she doesn't have to wash them??
10: Circumcised foreskin sold to cosmetic manufacturers for profit:
Erectile dysfunction 4.5 times more likely to occur if you're circumcised
Stanford's school of medicine list of circumcision complications (including infection, haemorraging, skin-bridging, phimosis, amputation and death):
Cut infants get long-term changes in pain response from the trauma of being circumcised
Circumcision decreases penile sensitivity
Circumcision associated with sexual difficulties
Circumcision linked to alexithymia
The exaggeration of the benefits of circumcision in regards to HIV/AIDS transmission
Circumcision/HIV claims are based on insufficient evidence
There is no case for the widespread implementation of circumcision as a preventative measure to stop transmission of AIDS/HIV
Circumcision decreases sexual pleasure
Circumcision decreases efficiency of nerve response in the glans of the penis
Circumcision policy is influenced by psychosocial factors rather than alleged health benefits
Circumcision linked to pain, trauma, and psychosexual sequelae
Circumcision results in significant loss of erogenous tissue
Circumcision has negligible benefit http://www.ncbi.nlm.nih.gov/pubmed/9091693
Neonatal circumcision linked to pain and trauma http://www.ncbi.nlm.nih.gov/pubmed/9057731
Circumcision may lead to need for increased care and medical attention in the first 3 years of life http://www.ncbi.nlm.nih.gov/pubmed/9393302
Circumcision 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
CONCLUSIONS: This study confirms the importance of the foreskin for penile sensitivity, overall sexual satisfaction, and penile functioning. Furthermore, this study shows that a higher percentage of circumcised men experience discomfort or pain and unusual sensations as compared with the uncircumcised population.
CONCLUSIONS:Circumcision was associated with frequent orgasm difficulties in Danish men and with a range of frequent sexual difficulties in women, notably orgasm difficulties, dyspareunia and a sense of incomplete sexual needs fulfilment.
CONCLUSION: There was a decrease in masturbatory pleasure and sexual enjoyment after circumcision, indicating that adult circumcision adversely affects sexual function in many men, possibly because of complications of the surgery and a loss of nerve endings.
CONCLUSIONS:The glans of the circumcised penis is less sensitive to fine touch than the glans of the uncircumcised penis. The transitional region from the external to the internal prepuce is the most sensitive region of the uncircumcised penis and more sensitive than the most sensitive region of the circumcised penis. Circumcision ablates the most sensitive parts of the penis.