The Fallacy of the Longevity Elixir: Negligible Senescence May be Achieved, but Not by Using Something Physical.

The process of aging is a continuum of degeneration which eventually leads to loss of function and clinically manifest disease. Yet, in the purely therapeutic sense, there is a distinct clinical and practical separation between age-related degenerative diseases and the background process of aging itself. It is quite possible that biomedical technologies will prove invaluable in treating or alleviating the impact of distinct age-related degenerative diseases such as cardiovascular disease, arthritis or dementia.

Pregnancy rates after hysteroscopic polypectomy depending on the size or number of the polyps.

Objective: To assess the reproductive benefits of hysteroscopic polypectomy in previous infertile women depending on the size or number of the polyps.

Design And Methods: In this retrospective study, from February 2000 to September 2005, totally 83 selected women were included with: a) diagnoses of primary or secondary infertility, endometrial polyp/polyps and abnormal uterine bleeding. Endometrial polyps were diagnosed by transvaginal ultrasound followed by diagnostic hysteroscopy, to confirm diagnosis, and hysteroscopic polypectomy.

Alternative treatments of cancer: trends over time and implications for the future.

There has been increasing utilization of alternative treatments for cancer, affected primarily by the dissatisfaction of the public with the outcomes of conventional treatments. Mortality rates from cancer have been increasing over time while spending by government on conventional cancer research rose. The lack of clinical trials on alternative therapies has left them open to criticism by mainstream medicine.

An economic evaluation of the market for physicians' services: shortage versus surplus.

The paper examines the existence of a shortage or surplus in the market for physicians' services over time. The assessment is carried out within a framework provided by economic theory, and three basic indicators are utilized: earnings, rates of return to education, and quantity of work. The third indicator is examined in various forms including vacancies, weeks of work, and hours of work.