CBS.com; CBS All Access; CBS News; CBSN; Watching Live TV. All Access Live TV; TV Provider
The extra red blood cells make your blood thicker than normal. As a result, blood clots can form more easily. These clots can block blood flow through your arteries and veins, which can cause a heart attack or stroke. Thicker blood also doesn't flow as quickly to your body as normal blood.
1 Chronic obstructive pulmonary disease (COPD) is a common cause of a thickâ¦. 2  Diagnosing Excessive Mucus in the Chest Chest mucus is the result of many acute and chronic medical conditions. 3  To effectively diagnose the etiology of chest mucus, diagnostic imaging tests and blood tests are ofteâ¦.