Minerals are micronutrients that are required by the body for various key functions. But excess consumption of minerals may be toxic to the body. For example, Harris consumes a typical American diet and suffers from high blood pressure. He should limit his consumption of . Based on current statistics, the primary source of this mineral in the diet.

Harris consumes a typical American diet and suffers from high blood pressure. He should limit his consumption of sodium and calcium based food.

Explanation: Those foods which contains sodium, calcium and potassium in large amounts causes blood pressure. In low quantity, these nutrients are very important for normal growth of the body but when these nutrients increase in the body, it causes toxicity and damage the organisms.

b is the best answer for this question.