A. A. A. If you have asthma, it's important to carefully select an asthma specialist -- a doctor who understands respiratory problems and treats asthma -- as your health care provider. Here are some asthma specialists to consider: Allergist.
Best Answer: About 20,000 to 30,000 died on the Oregon Trail. There culd have been a little more than that because it is still unknown exactly how many came over ...
The Oregon Trail is a 2,200-mile (3,500 km) historic eastâwest large-wheeled wagon route and emigrant trail that connected the Missouri River to valleys in Oregon.The eastern part of the Oregon Trail spanned part of the future state of Kansas and nearly all of what are now the states of Nebraska and Wyoming.he Oregon Trail was laid by fur trappers and traders from about 1811 to 1840 and was only passable on foot or by horseback.