The definition of bronchopulmonary dysplasia (BPD) among very-low birth weight (VLBW) infants is based upon oxygen requirement at 36 weeks gestation, but oxygen may be required at altitude because of ...

Neonatal mortality increases with altitude. For example, in Peru the incidence of neonatal mortality in the highlands has been shown to be about double that at lower altitudes. An important factor is ...

Millions thrive at high altitudes due to remarkable genetic adaptations. Tibetans, for instance, possess a gene variant allowing efficient oxygen use without dangerously thick blood. Andeans and ...

Visitors to the Vail Valley quite frequently confuse the symptoms of dehydration with those of high-altitude sickness, especially at 5,000 to 8,000 feet, where dehydration is responsible for far more ...

Breathing at sea level may be hazardous to your health, a new study hints. The research compared cancer rates for people at living at various elevations and found that lung cancer rates are lower at ...