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

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

    You’re not imagining things if your asthma feels worse in the winter. Experts explain why — and how to handle asthma symptoms.

  3. Why your asthma is worse in the winter — and how to ... - AOL

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

    (Photo: Getty Images) You’re not imagining things if it feels like your asthma is worse in the winter. You’re also not alone, as more than 25 million Americans suffer from asthma.

  4. Nearly 1 in 10 Americans have asthma. Here's what causes it.

    www.aol.com/nearly-1-10-americans-asthma...

    Asthma is one of the most common lung diseases in the world, affecting some 262 million people worldwide and causing more than 450,000 deaths annually, per the World Health Organization.While ...

  5. Asthma - Wikipedia

    en.wikipedia.org/wiki/Asthma

    Asthma phenotyping and endotyping has emerged as a novel approach to asthma classification inspired by precision medicine which separates the clinical presentations of asthma, or asthma phenotypes, from their underlying causes, or asthma endotypes. The best-supported endotypic distinction is the type 2-high/type 2-low distinction.

  6. Epidemiology of asthma - Wikipedia

    en.wikipedia.org/wiki/Epidemiology_of_asthma

    In 2000-2001 asthma prevalence was monitored at 6.5%; by 2010-2011 a 4.3% increase was shown, with asthma prevalence totaling 10.8% of Canada's population. [29] Furthermore, asthma prevalence varies among the provinces of Canada; the highest prevalence is Ontario at 12.1%, and the lowest is Nunavut at 3.8%. [29]

  7. Springtime lethargy - Wikipedia

    en.wikipedia.org/wiki/Springtime_lethargy

    A man taking a nap in the spring. Springtime lethargy is the state of fatigue, lowered energy, or depression associated with the onset of spring. Such a state may be caused by a normal reaction to warmer temperatures, or it may have a medical basis, such as allergies or reverse seasonal affective disorder. [1]

  8. AOL Mail

    mail.aol.com

    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

  9. Thunderstorm - Wikipedia

    en.wikipedia.org/wiki/Thunderstorm

    Thunderstorm asthma is the triggering of an asthma attack by environmental conditions directly caused by a local thunderstorm. During a thunderstorm, pollen grains can absorb moisture and then burst into much smaller fragments with these fragments being easily dispersed by wind.