Health and Nutrition Basics

Vitamin C is essential for the synthesis of stress hormones like cortisol and adrenaline in the adrenal glands. During stress, the body's vitamin C requirements increase significantly. Vitamins A, D, and K have important functions but are not directly involved in stress hormone production.

Fish is rich in iodine, which is essential for thyroid function. Goiter is caused by iodine deficiency leading to thyroid enlargement. Including fish in the diet provides iodine and can help prevent or resolve goiter. Diabetes relates to insulin, atherosclerosis to blood vessels, and scurvy to vitamin C deficiency.

The A1C test (glycated hemoglobin) measures average blood sugar levels over the past 2-3 months by determining the percentage of hemoglobin coated with sugar. It's used to diagnose and monitor diabetes. It does not test for HIV, blood group, or dengue fever.

Asthma is the leading cause of chronic school absenteeism in the United States, resulting in millions of missed school days annually. While common cold causes absences, asthma is consistently documented as the number one chronic health reason. Stomachaches and headaches are common but result in less total absenteeism.

Prophylaxis refers to preventive treatment or measures taken to prevent diseases or health conditions before they occur. Examples include vaccination, malaria prophylaxis, antibiotics before surgery, etc. It is not specifically about keeping microorganisms from food, diet control, or booster prescriptions.