Gamete donation: current practices, public opinion, and unanswered questions

Polyp Resection - Controversial Practices and Unanswered Questions

Detection and complete removal of precancerous neoplastic polyps are central to effective colorectal cancer screening. The prevalence of neoplastic polyps in the screening population in the United States is likely >50%. However, most persons with neoplastic polyps are never destined to develop cancer, and do not benefit for finding and removing polyps, and may only be harmed by the procedure. F...

Interests, obligations, and rights in gamete donation: a committee opinion.

This Ethics Committee report outlines the interests, obligations, and rights of the parties involved in gamete donation: both male and female donors who choose to provide gametes for use by others, recipients of donated gametes, and any offspring resulting from gamete donation. This document replaces the document "Interests, obligations, and rights of the donor in gamete donation," last publish...

Recommendations for gamete and embryo donation: a committee opinion.

This document provides the latest recommendations for evaluation of potential sperm, oocyte, and embryo donors, incorporating recent information about optimal screening and testing for sexually transmitted infections, genetic diseases, and psychological assessments. This revised document incorporates recent information from the U.S. Centers for Disease Control and Prevention, the US Food and Dr...

E-Learning: some unanswered questions

Yoga: Some Unanswered Questions

Grover et al (1994) have provided an excellent and thought provoking analysis of the usefulness of yoga in treating neurotic disorders. Some questions however remain. One criticism of psychotherapy is that the criteria for the selection of suitable candidates usually identify patients with good prognostic features-patients who may improve even without any therapeutic intervention. Another criti...