[The hyperventilation syndrome].

The hyperventilation syndrome is a disease affecting children as well as adults. It predominates in female and may be debilitating. It is frequently associated with anxiety.

Effects of air pollution on adults with chronic obstructive pulmonary disease.

Few studies have been conducted on the effects of air pollution on patients with chronic obstructive pulmonary disease (COPD). During a 14-mo period, 39 Parisian adults with severe COPD were monitored by their physicians. Daily levels of 4 air pollutants were provided by an urban air-quality network.

Short-term effects of low-level air pollution on respiratory health of adults suffering from moderate to severe asthma.

Only a few studies have been carried out on the health effects of air pollution on patients suffering from severe asthma. We wanted to test the sensitivity of these patients to Paris air pollution. During 13 months, 60 severe asthmatics (62- female; mean age 55 years) were monitored by their physician, who filled in a follow-up form at each consultation and reported any asthma attacks.