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.
The primary range of river birch is the southeastern quarter of the United States from eastern Texas and southeastern Iowa to Virginia and northern Florida. Scattered populations are found along rivers and streams as far north as southern Minnesota, central Wisconsin, and the middle New England States (8).. E. Grelen. The most beautiful of American trees-that's what Prince Maximilian thought of river birch (Betula nigra) when he toured North America before he became the short-lived Emperor of Mexico (11).