"According to the World Health Organization (WHO), the definition of "health" is
"...a state of complete physical, mental, and social well-being and not merely the absence of disease or infirmity."
Thus, a symptom that diminishes physical, mental, or social well -being would be a "health effect" according to WHO."
"The majority of the participants at the Health Effects of Odors workshop considered it appropriate to explore health effects of odors within the WHO definition of health."
"Frist emphasized that reactions to odors such as nausea, headache, loss of sleep, and loss of appetite clearly represent a matter for public-health concern and attention under the WHO definition of health. "(pg. 29)
"EVIDENCE FOR PARADIGM 3: A CO-POLLUTANT IN AN ODOROUS MIXTURE IS RESPONSIBLE FOR THE REPORTED HEALTH SYMPTOM " (pg. 31)
"AIRBORNE DUST PARTICLES CAN CONCENTRATE ODORANTS SUCH AS ORGANIC ACIDS AND AMMONIA ON THEIR SURFACES; this contributes to odor potential and exacerbates irritancy induced by dust in the respiratory tract. Experimental studies have found a strong link between odor/irritation intensity and levels of particulates."
"PARTICULATES ASSOCIATED WITH FECAL WASTE ARE ALSO KNOWN TO CARRY BACTERIA. Thus, it is likely that some of the health complaints ascribed to odor may, in fact, be caused by particulate matter (liquid or solid) suspended in air or by a synergistic effect between odorants and particulates."
"A SYNERGISTIC EFFECT OF AMMONIA AND DUST EXPOSURE has been reported in a study of 200 poultry facilities. The adverse health effects of ammonia and particulates in combination was greater than the additive effect of ammonia and particulates by a factor of 1.5 to 2.0."
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