Most drugs<span> taken by mouth enter the stomach or small intestine and then are sent to the liver. The liver contains protein molecules called enzymes that chemically modify </span>drugs<span> and other non-food substances. The chemical alteration of a medicine by the body is called </span>drug metabolism<span>.
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1) Infectious diseases are caused by pathogenic microorganisms, such as bacteria, viruses, parasites or fungi
2) Infectious diseases represent a major health problem worldwide, both in terms of morbidity and mortality. A complex combination of environmental, pathogen and host genetic factors plays a role in determining both susceptibility to particular microbes and the course of infection.
3) A family medical history can identify people with a higher-than-usual chance of having common disorders, such as heart disease, high blood pressure, stroke, certain cancers, and diabetes.
4) The most common risk factors for cancer include aging, tobacco, sun exposure, radiation exposure, chemicals and other substances, some viruses and bacteria, certain hormones, family history of cancer, alcohol, poor diet, lack of physical activity, or being overweight.
stressor – anything that causes stress.
Answer:
Environmental issues may present themselves as temporary or permanent changes to the atmosphere, water, and land due to human activities, which can result in impacts that may be either reversible or irreversible. Social issues may emerge in the workplace of a client’s/investee’s operations and may also impact surrounding communities.
