The correct answer is; Epidemiology study.
Further Explanation:
This type of study is used when there is a large population of people or animals who have developed a certain type of disease. The people who study this are called Epidemiologists.
An Epidemiologist determines what can be done to protect people so that they will not get the disease. They also study the factors of what is associated with the disease itself. The main types of study are;
- Risk factors
- Protective factors
- Cohort
- Case-control
- Cross-sectional studies
The areas of study are;
- Transmission
- Disease surveillance
- Disease causation
- Outbreak investigation
- Environmental epidemiology
- Forensic epidemiology
- Occupational epidemiology
- Screening
- Biomonitoring
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Answer: Placebo effects.
Explanation:
Placebo effect is also known as Placebo, it is a situation whereby a substance known to have effective performs the wonders of improving the health condition of a patient, this is due to the believe the patient has towards the substance. One of the factors that helps Placebo effect is "Expectation".
A substance is regarded to have placebo effect if it was not designed to have any therapeutic value, Examples of placebo includes disabled water, sugar, sham surgery, inert injection and tablets, etc.
Answer: Blood is a body fluid in humans and other animals that delivers necessary substances such as nutrients and oxygen to the cells and transports metabolic waste products away from those same cells. In vertebrates, it is composed of blood cells suspended in blood plasma.
Explanation: Platelets help the blood to clot. Clotting stops the blood from flowing out of the body when a vein or artery is broken. ...
