ENERGY AND WATER METABOLISM, BODY COMPOSITION, AND HORMONAL CHANGES INDUCED BY 42 DAYS OF ENFORCED INACTIVITY AND SIMULATED WEIGHTLESSNESS.

Inactivity causes profound deleterious changes. We investigated in eight healthy men the impact of a 42-day head-down bed rest (HDBR) on energy and water metabolism and their interrelationships with body composition (BC) and catabolic and anabolic hormones. Total energy expenditure (TEE), total body water, water turnover, and metabolic water formation were assessed by the doubly [...]

DRINKING, MICTURITION HABITS, AND URINE CONCENTRATION AS POTENTIAL RISK FACTORS IN URINARY BLADDER CANCER.

Investigation of micturition and drinking habits in urban (n = 475) and rural (n = 156) working populations demonstrated less frequent micturition, decreased fluid intake, and a higher urine concentration in the urban as compared to the rural group. All these differences were significant (P less than .01) by multivariate analysis, adjusting for age and [...]

By |2013-01-31T18:33:40+00:00enero 31st, 2013|Cancer, Scientific papers|0 Comments

FLUID INTAKE AND THE INCIDENCE OF BLADDER CANCER AMONG MIDDLE-AGED MEN AND WOMEN IN A THREE-COUNTY AREA OF WESTERN WASHINGTON.

This population-based case-control study reports on the relationship between fluid intake and the incidence of bladder cancer among 262 bladder cancer cases from Western Washington and 405 controls identified through random-digit dialing Cases were identified from the Surveillance. Epidemiology, and End Results (SEER) registry and were diagnosed between January 1987 and June 1990. All eligible [...]

By |2013-01-31T18:33:40+00:00enero 31st, 2013|Cancer, Scientific papers|0 Comments

HUMAN-MILK INTAKE MEASURED BY ADMINISTRATION OF DEUTERIUM OXIDE TO THE MOTHER: A COMPARISON WITH THE TEST- WEIGHING TECHNIQUE.

This population-based case-control study reports on the relationship between fluid intake and the incidence of bladder cancer among 262 bladder cancer cases from Western Washington and 405 controls identified through random-digit dialing Cases were identified from the Surveillance. Epidemiology, and End Results (SEER) registry and were diagnosed between January 1987 and June 1990. All eligible [...]

By |2013-01-31T18:33:40+00:00enero 31st, 2013|Assessment methodologies, Scientific papers|0 Comments

VALIDITY OF URINE-BLOOD HYDRATIONAL MEASURES TO ASSESS TOTAL BODY WATER CHANGES DURING MOUNTAINEERING IN THE SUB-ARCTIC.

Mountaineering involves high altitude and cold exposure which are each associated with significant levels of dehydration (via altitude-cold diuresis, high energy expenditures, and poor access to water). The purpose of this study was to identify and validate urine and blood indices of dehydration as compared to changes in total body water (which served as the [...]

By |2013-01-31T18:33:40+00:00enero 31st, 2013|Assessment methodologies, Scientific papers|0 Comments

WATER TURNOVER AND BODY COMPOSITION DURING LONG-TERM EXPOSURE TO HIGH ALTITUDE (4,900A–7,600 M).

Thirteen healthy subjects (11 men and 2 women; 30.2 +/- 5.4 yr; 73.5 +/- 10.3 kg; 178.9 +/- 10.4 cm; body mass index, 22.9 +/- 1.6 kg/m2) participated at the 62-day expedition to the Broad Peak (8,047 m), Pakistan. Weight, body water, and water turnover (deuterium dilution and elimination) were measured eight times to assess [...]

PHYSICAL FITNESS INFLUENCES WATER TURNOVER AND BODY WATER CHANGES DURING TREKKING.

PURPOSE: This study was performed to assess water turnover and changes of body water during a trekking tour at moderate altitude. METHODS: Fifteen healthy normally trained adults participated in a 7-d backpack trek tour in the Swiss Alps (total walking distance: 120.5 km; cumulated altitude difference: 6990 m (uphill) and 7550 m downhill; lowest point: [...]

By |2013-01-31T18:33:26+00:00enero 31st, 2013|Exercise and sport, Scientific papers|0 Comments