Human Physiology/Anatomy inquiry project proposal suggestion?

I need to think of a research inquiry proposal that relates to human anatomy and physiology. I need to know how to research it, so I need to be able to do interviews, surveys, etc. thanks:)
Answers:
One of the most overlooked and drastically important risk factors in coronary artery disease is fruitless dental hygiene. Although the medical field "knows" this, it has gained terribly little importance in lay media. Even home practice docs don't seem to put much importance in that. It can any be decay or periodontal disease, but the link is definitely in that.

Perhaps contact a cardiologist and ask about how to go about mining their files for facts.

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