Seasonal allergies (spring, summer & fall) - allergy triggers could be snowmolds and outdoor molds, tree, grass and weed pollen (yes...ragweed too), lawn grass cuttings, pollution and more...
Winter season allergies - Household toxins due to more time spent inside such as dust mites, carpet, furnace fumes (oil-gas-coal), house cleansers, fireplace gases & smoke, leather fumes, latex & oil paints, laundry detergent mix, incense, houseplant phenolics and more...
Migraines/Headaches - possible triggers are barometric pressure change, rain precipitation, heat, chemicals, foods and more...
Asthma - could be triggered by cats, perfumes, cold air, laundry detergent, viruses and more...
Exercise Induced Bronchoconstriction (also know as Exercise Induced Asthma ) - cold viruses, foods, weather change and more...
Sunlight radiation, wifi, UV light, heat, cold and more...