Answer:
Intervention study
Explanation:
An intervention study is a type of controlled clinical trial in which an intervention is applied to a group of people and the outcome is compared to a similar group without the intervention. An example of this type of study is shown in the question above, where a margarine which vegetable ingredients (which is the intervention) will be given to a group of people, so that their blood cholesterol levels are compared to the cholesterol levels of a group of people who didn't use this margarine.
A. arthritis I'm pretty sure is the answer!!!!
Avoid guessing or choosing an answer you are unsure of. Remember, you’ll only get the extra points if you give the correct answer.
You can help to prevent muscle mass loss as you age by maintaining a regular exercise program.
Answer: B. Maintain a regular exercise program.