Other triggers, such as air pollution or pollen are much harder to avoid but medications can help prevent the trigger from setting off an asthma episode. Following are examples of types of triggers and some ways to deal with them. 1  Cigarette Smoke. 2  Allergens. 3  Exercise. 4  Cold air exposure or sudden temperature change. 5  Respiratory Infections and Colds. 6  Excitement / Stress. 7  Odors and Fumes.
Birch Early Origins. Buy PDF History Â». The surname Birch was first found in Lancashire at Birch, a district chapelry, in the parish of Manchester, union of Chorlton, hundred of Salford. The chapel, dedicated to St. James, is supposed to have been originally built by a member of the family of Birch.
Range & Habitat: Paper Birch is an uncommon native tree that is found in northern Illinois (see Distribution Map). It is more common further to the north. Habitats include upland woodlands and savannas (often sandy or rocky), open disturbed woodlands, stabilized sand dunes near Lake Michigan, and riverbanks.aper Birch and other birches are used by vertebrate animals as a source of food, nesting or den habitat, and cover. The following birds eat the seeds of these trees: Black-Capped Chickadee, White-Winged Crossbill, Slate-Colored Junco, Common Redpoll, Fox Sparrow, Pine Siskin, and Passenger Pigeon (now extinct).