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Reports on the practice of medicine at Yosemite National Park, in North America. Statements from Kathryn Corby, a family doctor from Santa Cruz, California; Information on the Yosemite Medical Clinic which is managed by a private concessionaire to the National Park Service; Other information on various medical cases which were managed by doctors. INSET: Behind the camera.

Presents information on the TB (tuberculosis) control program being carried out at the San Francisco General Hospital which is taking treatment to the streets in an effort control the dreaded disease. Indepth look at the methods being used by the doctors at the hospital; Details on the free room and board given to some patients courtesy of a grant from the Center for Disease Control and prevention; Information on the patient cooperation.

Questions whether an individual who spend a lots of time outdoors, should be given the vaccine for Lyme disease. Ways to avoid Lyme disease; Information on trials conducted on the disease; Views of Alan Barbour, an internist at the University of California at Irvine.

Questions whether viagra, the drug to treat men who have erectile dysfunction, can be of benefit to women with sexual dysfunction. Speculation that the drug can become `the sexual-liberation pill of older adults'; Advantages of using the drug; Reference to a question of whether the drug can assist an individual who is uncomfortable when having sexual intercourse with her husband.

Examines ways of combating the economy class syndrome when flying on long flights. Risks for phlebitis resulting from long flights; Statements from Rex Yung, a pulmonologist and travel medicine expert at the University of Southern California in Los Angeles, California; Reference to the experiences of former United States President Richard Nixon.

Questions whether deceased doctor and author Benjamin Spock was wrong, when he recommended in his seventh edition of the book `Baby and Child Care,' that parents eliminate meat and dairy products from the diets of children, to avoid obesity and disease. Identification of reasons not to eliminate milk and meat from the diets of children; Statements from Marc Jacobson, director of the Center for Atheroschlerosis Prevention at Schneider Children's Hospital in New York.

Reports on the treatment of migraines without using drugs. Reference to an article on migraine treatment featured in `Vegetarian Times' magazine; Statements from internist and headache expert Elizabeth Loder of Spaulding Rehabilitation Hospital in Boston, Massachusetts.

Debates whether children should be tested for cholesterol. High levels of lipid found in children's blood; Recommendation of the American Academy of Pediatrics; Testing of children who smoke or are overweight.

Reports on a study conducted by exercise physiologists from the State University of New York at Buffalo, on the health benefits of nasal strips. How the study was conducted; Statements from study leader Frank Cerny.

Presents a study of over 19,000 people, which shows that survivors of childhood trauma face a high risk of early death. Behaviour adapted by survivors of childhood trauma; Statements from Vincent J. Felitti, chief of preventive medicine at Kaiser Permanente in San Diego, California.

Reports on the findings of a study conducted at the University College in London, England which shows that top athletes have a gene which provides them with an advantage in stamina. Role of an angiotensin-converting enzyme in the gene; How the study was conducted; Views of Hugh Montgomery, lead cardiologist in the study.

Focuses on a study conducted which shows that individuals with chronic conditions usually receive incomplete care. Statistical information representing the study findings; Statements from Donald Redelmeier, an internist and professor of medicine at the University of Toronto; Reasons individuals are not properly treated.

Reports on the findings in separate studies conducted at Yale University Veterans Administration Medical Center and the University of Alabama, at Birmingham, that dangerous elderly drivers have few symptoms which could be easily identified. Findings in patients with poor close-range eyesight; Statements from Yale University geriatrician Richard Marottoli.

Focuses on a study conducted by practicing pediatricians, which emphasizes the importance of patients being involved in effective asthma treatment. Information on a seminar conducted by a team led by Noreen Clarke, dean of the School of Public Health at the University of Michigan; Statements from Verna Jean Turkis, a Detroit-area pediatrician who attended the seminar.

Reports on the findings of Alexey Kampov-Polevoy, an internist and pharmacologist at the University of North Carolina, of the biological link between alcoholism and a craving for sweets. How the study was conducted; Views of alcohol researcher David Sinclair of the National Public Health Institute in Finland.

Focuses on a nasal spray vaccine to be used to combat influenza, introduced to benefit children who are skeptical of influenza vaccinations. Findings of a study by the National Institutes of Health; Statements from Robert B. Belshe, director of infectious diseases at Saint Louis University School of Medicine; Other information on the nasal spray.

Focuses on a study led by John A. Astin, a health psychologist at Stanford University School of Medicine, questioning whether mistrust of doctors are resulting in individuals using alternative medicine. Response to the study; Motives for individuals who participated in the study.

Comments on the value of the tuberculosis skin test, making reference to the findings of a trial process at Virginia Commonwealth University's Medical College of Virgina. Statements from Edwin Kendig Jr., pediatric pulmonologist at the college; How the patient study was conducted; Concerns of pulmonologist Lee B. Reichman, executive director of the National Tuberculosis Center in Newark, New Jersey.

Reports on an article published in the Journal of the American Medical Association, stating that adverse reaction to prescription medication, is one of the leading causes of death in the United States. Estimated number of individuals who researchers believe die each year from such reactions; Reference to a question on how one can protect his/herself from risks of prescription pills.

Reports on a study which was published in the New England Journal of Medicine, stating that women who undergo mammograms for a decade, have a 50 percent chance of getting a false alarm. Reference to a question on when annual screening is necessary; Indication that annual screening depends on family history.

Presents a question and answer segment pertaining to obesity. Link between obesity and death rates in individuals age 65 or older; Factors which contribute to hypertension.

Presents information in relation to William Rosenblatt, an anesthesiologist at Yale-New Haven Hospital in Connecticut, using medical material that were discarded in the United States as surplus goods to treat patients. Information on the program Recovered Medical Equipment for the Developing World (REMEDY); Purpose of the program; Number of hospitals included in the program; Comments from Rosenblatt.

Reports on a British study which found that early eating habits in childhood is linked to the development of cancer. How the individuals who performed the study came to such a conclusion; Impact that increased caloric intake can have on the level of cancer morality rates.

Presents a question and answer segment pertaining to the use of prostate specific antigen (PSA) screening test for cancer. Identification of a way to stop prostate cancer; Number of years in which the disease grows before it takes a person's life; Reason a PSA test should not be routine; Speculation that prostate cancer grows slowly and unpredictably and in turn clouds the value of PSA tests and therapy options.

Reports on a study which found that generalists experience difficulties in finding jobs. Reference to the type of training students who earned positions through the National Residency Matching Program will receive; Number of young doctors who participated in the study; Comments from Robert Politzer of the United States Department of Health and Human Services.

Reports on a study which found that paroxetine, an antidepressant drug, can alter an individual's mood. Impact of antipressants on normal brains; Indication that the drug regulates chemical serotonin; Comments from Victor Reus, the lead researcher in the study; Results of the study.

Presents information pertaining to the diagnosis of the Alzheimer's disease. Stage at which the disease can be diagnosed; Information on the use of quick screens in the diagnosis; Reference to a 1979 study in relation to the disease; Findings of the study; Indication that contracting the disease at an early stage can rule out more treatable disorders.

Presents information on palmistry, with reference to doctors in New Haven, Connecticut, speculating that the use of palm prints could predict intubation. Information on patients who cannot produce complete impressions; How to determine the predictive value of prints; Problems associated with intubation.

Presents a survey which questioned whether managed care organizations discriminate against doctors in San Francisco, California, who treat the poor. Number of physicians in California who were surveyed; Reference to the race, and gender of physicians having no effect on their ability to secure managed care contracts; Percentage of physicians more likely to be terminated from or denied a contract; Views of Beau Carter, executive director of the Integrated Healthcare Association.

Presents a study which concluded that tai chi can be used to treat hypertension. Benefits of the discipline of meditative exercise; Number of individuals who participated in the study; Comments from Deborah R. Young, an exercise physiologist at Johns Hopkins University School of Medicine and lead author of the study.

Presents information on a study in which physicians found that doctors are not communicating to patients with smoking habits, on the chances of quitting. Number of patients who were visited between 1991 and 1995 who were surveyed; Percentage of time in which doctors counsel patients suffering from emphysema or bronchitis; Comments from Anne Thorndike, an internist at Massachusetts General Hospital and lead author of the study.

Presents results from a study in relation to how the elderly value their end-of-life stage. Number of hospitalized elderly patients over the age of 80 who where surveyed; Percentage of these patients who said they would not replace a month or a year from the remainder of their live in exchange for excellent health; Comments from Joel Tsevat, a physician at the University of Cincinnati Medical Center and author of the study.

Presents information pertaining to white coat hypertension. Factors which contribute to this type of hypertension; Complications associated with hypertension; Other name used for white coat hypertension; Speculation that it is safe to leave white coat hypertension untreated if the heart appears normal.

Presents a questions and answers segment on issues related to medical and other conditions. Why large meals influence persons to sleep; Risk factors for the cause of hernias; What causes eyelids to twitch.

Presents information on a question and answer segment pertaining to various parts of the body. Information on why people perspire more than others; How do gum diseases spread; Examination of arteriosclerosis which is a disease that clogs and stiffens arteries.

Presents an advice column on medical issues. Reasons people grind their teeth; Information on adults developing allergies; Relation of red, swollen noses to alcoholism.