THE prevalence of impotence in diabetic men has been reported to be as high as 50 percent.¹ The neurologic and vascular complications of diabetes are presumed to be responsible for the erectile dysfunction. Studies in animal models of diabetes and in ...

MITRAL-valve prolapse is a heterogeneous cardiac valvular disorder with a reported prevalence of approximately 4 percent in the general population.^{1 2 3 4 5 6 7 8} Echocardiography was originally believed to be the ideal noninvasive technique for defining ...

DIETARY enrichment with polyunsaturated fatty acids has been suggested to exert beneficial effects on atherosclerosis and blood pressure, but before recent interest arose in n–3 fatty acids derived from marine oils, studies focused on the benefits of n–6 ...

ISOSPORA belli has recently been recognized as an opportunistic enteric pathogen in patients with the acquired immunodeficiency syndrome (AIDS).^{1 2 3 4} I. belli is most common in tropical and subtropical climates and has been encountered in 15 percent of ...

DIFFUSE and follicular large-cell and mixed large-cell and small-cell lymphoma represents a heterogeneous group mainly of advanced, aggressive B-cell neoplasms.¹ Approximately half of all patients treated with aggressive chemotherapy have prolonged ...

THE annual incidence of falls among elderly persons living in the community increases from 25 percent at 70 years of age to 35 percent after 75 years of age.¹ Fifty percent of elderly persons who fall do so repeatedly. Falls are even more common in ...

LIPOPROTEIN lipase, a hydrolytic enzyme produced by many tissues, is rate-limiting for the removal of lipoprotein triglycerides from the circulation. It also has distinct roles in many normal tissues, as well as an important role in certain metabolic ...

Presentation of Case

First admission. A 36-year-old man was admitted to the hospital because of impaired circulation in the left foot.

He was well until 39 months earlier, when he experienced the acute onset of pain in the left calf while he was sitting ...

Mitral-valve prolapse is one of the most prevalent cardiac conditions and one of the most controversial: uncertainty persists about how it should be diagnosed and about its clinical importance. Historically, mitral-valve prolapse was first recognized by ...

Research involving human fetal tissue has been the subject of intense political debate in this country for almost two decades, and the use of fetal tissues in transplantation continues this controversy in another forum. Since Roe v. Wade,¹ the landmark ...

To the Editor: Engelhardt and Rie (Oct. 20 issue)¹ declare that the profit motive in medicine is not itself evil. "Medicine is not an endeavor of amateurs nor usually of mendicant friars." As a member of a mendicant order, the Order of Friars Minor (...

No extract is available for articles shorter than 400 words.

To the Editor: Data from the graduation questionnaire administered by the Association of American Medical Colleges may be worth examining in the light of Dr. Healy's questions about the adequacy of the country's future biomedical-research brainpower (...

No extract is available for articles shorter than 400 words.

No extract is available for articles shorter than 400 words.

This is a fascinating, elusive, and frustrating book. Translated from the Italian, it is an attempt at a synthesis of psychoanalytic theory, systems theory, and the concepts of Piaget. It wanders into philosophical and clinical fields, and there are ...

No extract is available for articles shorter than 400 words.

No extract is available for articles shorter than 400 words.

Here is a concise, practical introduction to adolescent psychiatry written for "psychiatrists, psychologists, social workers and nurses beginning specialized training in work with adolescents." Although by no means comprehensive in telling neophytes all ...

The treatment of eating disorders has for the most part concerned the spheres of psychopharmacology, behavior modification, and nutrition. Increased attention from both physicians and the public to this widespread — and apparently increasingly frequent — ...

The development of effective treatment programs to change the behavior of child molesters requires the cooperative efforts of professionals in many fields: the behavioral and biologic sciences, the judiciary, corrections, education, and the social ...

Reproductive Biology and Obstetrics and Gynecology

A Practical Guide to Labour Management. By Donald Gibb. with Anne Greenough. 152 pp., illustrated. Boston, Blackwell Scientific, 1988. $22.50. (Distributed in the U.S. by Year Book, Chicago.)

Pregnancy ...

SUNLIGHT, ULTRAVIOLET RADIATION, AND THE SKIN

The "NIH Consensus Development Conference" will be held in Bethesda, Md., May 8–10.

Contact Andrea Manning, Prospect Associates, Suite 500, 1801 Rockville Pike, Rockville, MD 20852; or call (301) 468–6338.

...

IN the past few years, medical science has made dramatic advances through research that uses tissue from dead human fetuses. At the same time, this research has led to controversy over the ethics of using human fetal tissue, particularly tissue from ...