a, because exercise doesn't just aid the prevention of certain diseases, it helps prevent many diseases. i would've chosen d if it wasn't so specific but a is the correct answer.
Research has also shown that alcohol misuse increases the risk of liver disease, cardiovascular diseases, depression, and stomach bleeding, as well as cancers of the oral cavity, esophagus, larynx, pharynx, liver, colon, and rectum.
Be persistent in communicating with the doctor in multiple visit because some times a doctor does not see all the systoms
1.Keep a standardized record sheet
2.Use a quality blood pressure monitor
3.Take readings in a quiet place
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