When you open a bottle of sparkling water, the carbon dioxide gas in the bottle form bubbles. If the bottle is left open, the water will eventually go flat. Explain these phenomena in terms of atmospheric pressure.
March 14, 2016 Chapter 19 WHO definition of Environmental Health: “Comprises those aspects of human health, including quality of life, that are determined by physical, biological social and psychosocial factors in the environment. It also refers to the theory and practice of assessing, correcting, controlling, and preventing those factors in the environment that can potentially affect adversely the health of present and future generations.” DDT vs. Malaria o Malaria is very common in Africa o In Zambia, people were affected with the deadliest form (falciparum malaria), where it is thought to have evolved o 20% of children under 5 died from malaria o DDT was used to kill mosquitos and therefore eradicate malaria, however it has huge environmental impacts and was banned in some regions as a result Vector: a transmitter of a disease that doesn’t suffer from the disease itself o Female mosquitos pass on malaria by transmitting blood into people Public Health: “all organized measures (public or private) to prevent disease, promote health, and prolong life among the population as a whole” (WHO). CDC (Center for Disease and Control, headquarters in Atlanta): “science of protecting and improving the health of families and communities through promotion of healthy lifestyles, research for disease and injury prevention and detection and control of infectious diseases”