It is worth remembering that the atmosphere surrounding the Earth's crust is made up of
different layers or strata: the troposphere, the stratosphere, the mesosphere, the …

It is worth remembering that the atmosphere surrounding the Earth's crust is made up of
different layers or strata: the troposphere, the stratosphere, the mesosphere, the …

Abstract Cogo, Annalisa, and Giuseppe Fiorenzano. Bronchial asthma: advice for patients
traveling to high altitude. High Alt. Med. Biol. 10: 117–121, 2009.—This article examines the …

ABSTRACT A large world population resides at moderate altitudes. In the Valley of Mexico
(2240 m above sea level) and for patients with respiratory diseases implies more hypoxemia …

The frequency of high-altitude sojourns (for work, leisure, air travel or during car/train
journeys) justifies the question of their tolerance, especially in people with pre-existing …

The lung is the interface between the environment and the metabolic mechanisms of the
body, and plays a pivotal role in exposure to high altitude. In fact, high altitude is a challenge …

OBJECTIVE: TO ascertain whether climbing a mountain over 3000 meters high produces
any alterations in ventilation, whether such alterations are modified by acclimatization, and …

INTRODUCTION: Studies on the relationship of chronic obstructive pulmonary disease
(COPD) prevalence and altitude have reported contrasting results. The aim of this COPD …

Las poblaciones humanas se concentran en las zonas bajas del planeta. Sin embargo,
unos 450 millones de personas viven en ambiente de montaña, de los cuales unos 25 …

The authors conducted the largest prospective study into the outcomes of flights in patients
with various respiratory diseases, showing that 18% suffered respiratory symptoms. They …