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  2. Why your asthma is worse in the winter — and how to breathe ...

    www.aol.com/lifestyle/why-asthma-worse-winter...

    Too little humidity dries out your nasal passages and can also affect your breathing. Too much can lead to the growth of asthma triggers, such as mold and dust mites. “The optimal range for ...

  3. Humidity - Wikipedia

    en.wikipedia.org/wiki/Humidity

    High humidity can often have a negative effect on the capacity of chemical plants and refineries that use furnaces as part of a certain processes (e.g., steam reforming, wet sulfuric acid processes). For example, because humidity reduces ambient oxygen concentrations (dry air is typically 20.9% oxygen, but at 100% relative humidity the air is ...

  4. Effects of high altitude on humans - Wikipedia

    en.wikipedia.org/wiki/Effects_of_high_altitude...

    At high altitude, in the short term, the lack of oxygen is sensed by the carotid bodies, which causes an increase in the breathing depth and rate . However, hyperpnea also causes the adverse effect of respiratory alkalosis , inhibiting the respiratory center from enhancing the respiratory rate as much as would be required.

  5. Effects of climate change on health in the United Kingdom

    en.wikipedia.org/wiki/Effects_of_climate_change...

    Changes in temperature, precipitation, humidity, wind conditions, erosion and extreme weather events due to climate change will affect the fate and behaviour of such chemicals. Climate change is likely to increase the release of chemicals, including contaminants from melting polar ice and high-altitude glaciers (which trap harmful chemicals).

  6. The air in your home could be making you sick – here’s how to ...

    www.aol.com/air-home-could-making-sick-184905028...

    Irritants in the air can affect the health and effectiveness of your respiratory system, make it more difficult to breathe and can cause allergic reactions and flare-ups for people who suffer from ...

  7. What is the heat index? How humidity and the dew point can ...

    www.aol.com/heat-index-humidity-dew-point...

    The heat index explains why humidity makes a difference. Skip to main content. 24/7 Help. For premium support please call: 800-290-4726 more ways to reach us. Sign in. Mail. 24/7 Help. For premium ...

  8. Inversion (meteorology) - Wikipedia

    en.wikipedia.org/wiki/Inversion_(meteorology)

    This can occur when, for example, a warmer, less-dense air mass moves over a cooler, denser air mass. This type of inversion occurs in the vicinity of warm fronts, and also in areas of oceanic upwelling such as along the California coast in the United States. With sufficient humidity in the cooler layer, fog is typically present below the ...

  9. What a Sports Physiologist Says About Exercising in Dry Heat ...

    www.aol.com/sports-physiologist-says-exercising...

    To stay as safe as possible, experts are explaining what you need to know about exercising in dry heat vs. humidity. With gyms closed throughout the country, a large number of people have been ...