Many health conditions affect the brain and pose risks to cognitivefunction. ... Alzheimer's disease—causes a buildup of harmful proteins and other changes in the brain that leads to memory loss and other thinking problems. Stroke—candamage blood vessels in the brain and increase risk for vascular dementia.
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
To explore the vast louisiana territory, because the louisiana purchase just happened so he wants to explore the new land
