NY City Dept. of Health and Mental Hygiene. How does carbon monoxide affect my body? Carbon monoxide prevents oxygen in the blood from being carried . CO affects human health by impairing the ability of the blood to bring O2 to body . CO has an affinity for hemoglobin more than 200 times greater than does O2, . Even at low levels, carbon monoxide causes serious health problems, and the . The most serious effects of carbon monoxide in the home occur in the winter, when . of carbon monoxide produced is not usually hazardous to human health. . Unvented appliances do not have a pipe, chimney, or other duct to carry the . Carbon monoxide. CO , coal gas, carbon(ic) oxide, flue or exhaust gas . Where does it come from? The main . How might exposure to it affect human health? But, does CO also affect Earth's climate? . include volcanoes and forest fires while human sources (which make up over half of all carbon monoxide produced) are . How Carbon Monoxide Affects our Air Health and the Environment (Cycle A) Most of the research looking into human health responses to exposure to air . Carbon Monoxide: Exposure to low concentrations of carbon monoxide (CO) can . Section 2: Chemically, how does CO affect the body? CO inhibits the blood's ability to carry oxygen to body tissues including vital organs such as heart and brain. . on exposure level, duration and the general health and age on an individual. other gases that do have an odor. So, you can inhale carbon monoxide right along with gases that . Occupational Safety and Health Administration. 2002.