It can be transferred from animal to animal and animal to human, and from animal to human on food. Transmission from person to person through close contact is a potential problem, especially among young children in daycare. Through regulation, EPA tries to ensure the human population and the environment are protected from environmental risks and exposures. The study of distribution and determinants of diseases or other health outcomes in human populations. Epidemiological studies may suggest relationships between two factors, but do not provide the basis for conclusions about cause and effect.
Possible associations inferred from epidemiological research can turn out to be coincidental.
The essential fatty acids include linoleic, linolenic, and arachadonic acids. The study of the causes of disease. The group of subjects in an experimental study which receives a treatment. The percentage of the total volume of blood that is pumped out of the left ventricle during contraction of the heart. The ability of a tissue or other material to return to its original size or shape after stretching or elongation.