Shortness of breath can be caused by anemia, poor circulation, congestive heart failure, bronchitis, pneumonia, heart failure, or even heart attack. If you can't explain why you are short of breath, then you NEED to see the doctor very soon. Gary B Â· 8 years ago.
The City of Aspen is the Home Rule Municipality that is the county seat and the most populous municipality of Pitkin County, Colorado, United States. The city population was 6658 at the 2010 United States Census.
Denver is the largest city in Colorado. The second largest city in Colorado, Colorado Springs boasts a pleasant climate and an inspiring balance of leisure and industry. In 2004, the population of the metro area, including all of El Paso County, was estimated to be 554,574 - an increase of more than seven percent over the 2000 census figures.