Answer:
Where and when a disease occurs and how it is transmitted
Explanation:
Epidemiology is the branch of health science related with the study of all the factors responsible for the presence and spread of a disease. It answers the questions like; where the disease is present and most common, mode of transmission, signs and symptoms, comparisons of treatments etc. It attempts to use the information gotten from this study to the control of the disease and other health problems
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- memory problems
- hard to concentrate or think clearly
- emotional issues
- may start indulging in hardcore drugs
- may become abusive and dangerous to others
- develop depression
- an anxious personality
- easily irratible
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About an hour i hope this helps you