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Researchers tested the hypothesis that the ventrolateral midbrain periaqueductal gray region plays an important role in triggering the second phase of a hemorrhage.

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The role of the Na+/Ca2+ exchanger as a contributor to human disease and its potential as a therapeutic target are only now beginning to emerge. Discussions among a gathering of international and inter-disciplinary experts will reveal how recent investigations, blending molecular biology, biochemistry, biophysics and physiology, have provided exciting answers, fueled novel themes, and provoked further questions in this intriguing field.

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It has been suggested that asthma and rhinitis (nasal allergy) represent two different combinations of the same disease. An important difference between asthma and rhinitis alone is the fact that a much greater dose of allergen is necessary to cause significant bronchoconstriction in allergy sufferers. This may explain why some individuals with allergies develop asthma symptoms on natural exposure to allergen, whereas others do not.

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Researchers have hypothesized that exercise-induced changes in circulating testosterone would be centrally mediated via hypothalamic-pituitary release of luteinizing hormone (LH).

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Acclimatization to moderate high altitude, accompanied by training at low altitude (living high-training low), has been shown to improve sea-level endurance performance in accomplished, but not elite, runners. Whether elite athletes achieve similar performance gains has been unclear.

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Evidence of a gene-exercise interaction for traits related to body composition is limited. As part of the HERITAGE Family Study, researchers examined the association between the lipoprotein lipase S447X polymorphism, and changes in body mass index, fat mass, percent body fat, abdominal visceral fat, and post-heparin plasma LPL activity.

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This study presents evidence that the BSEP evolved early in vertebrate evolution and that its functional properties have remained essentially unchanged despite 200 million years of evolution.

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Post-traumatic response to burn injury leads to significant and prolonged skeletal muscle loss and weakness. Conventional rehabilitation programs do not provide the same benefits as resistance exercise programs.

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There is a growing need to understand how genetics and hormones influence human physiology. For the first time ever, experts in genetics, molecular biology, pharmacology, integrative physiology and clinical medicine will meet to assess genetic influences on responses to sex steroids.

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Effective techniques for teaching science are among the current research highlights published by the American Physiological Society.

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Research reports on the relationship between body position and clothing in SIDS, effects of morning vs. evening exercise, bed rest for athletes, and physiological gender differences.

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After 25 years of investigating the records of world class athletes, a physiologist-physician presents his conclusions.

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What factors limit human strength and growth in male and female weighlifters? In a new study of the World Weighlifing Federation champions of l993-l997, researchers found certain results transcending gender lines.

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The severity of exercise-induced asthma in children cannot be determined by PCO2 at the end of exercise. The results of a research study conducted in Australia will be presented at the 2000 Intersociety Meeting of the American Physiological Society in Portland, ME.

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Patients suffering from cancer treatment-related fatigue, up to 15 years following treatment, can benefit from a prescribed exercise regimen; results being presented at a meeting on exercise and physiology by international scientists during Olympics.

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The decline in mortality among older people has contributed substantially to gains in overall life expectancy. An important question now is whether this new longevity will be accompanied by a healthy, independent, functioning lifestyle.

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Recent studies show that the use of growth hormone does not improve exercise capacity; results being presented at a meeting on exercise and physiology by international scientists during Olympics.

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A number of studies have found that women are capable of longer endurance times than men when performing certain isometric exercises at the same percent of maximum strength. A recent study conducted at the University of Colorado confirms those findings for different tasks.

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Men and women demonstrate different vascular responses to exercise. Research findings on these differences will be presented at the 2000 Intersociety Meeting of the American Physiological Society in Portland, ME.

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The way people respond to exercise varies widely within the general population. However, within family members, such differences in responses are less dramatic. These observations have lead researchers to believe that genetics plays a role in the effect that exercise can have on the individual.

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In spite of the fatigue and shortness of breath associated with congestive heart failure, CHF patients respond favorably to exercise training; results being presented at a meeting on exercise and physiology by international scientists during Olympics.

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Research findings indicate that adopting a low-fat, high-fiber diet and exercise program may play a role in reducing the possibility of prostate cancer, according to results being presented at a meeting on exercise and physiology by international scientists.

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Low energy availability, not the stress of exercise, affects the release of reproductive hormones in women. Research findings concerning the pulsatility of luteinizing hormone (LH) in women will be discussed at a meeting of international scientists during Olympics.

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Space Shuttle Columbia crew member says exercise in space is vital; remarks part of a meeting on exercise and physiology of international scientists during the Olympics.

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Vitamin E may enhance insulin production by the pancreas, according to results being presented at a meeting on exercise and physiology by international scientists during Olympics.

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In September, a timely fall conference brings researchers and scientists from around the globe to examine the relationship between exercise and the building blocks of the human machine.

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