Choose the word (A, B, C or D) that best fits the blank space.

The food we eat seems to have profound (1014) ………… on our heath. Although science has made enormous (1015) ………….. in making food more fit to eat, it has, at the same time, made many foods unfit to eat. Some research has shown that perhaps eighty percent of human illnesses are related to diet and forty percent of cancer is related to the diet as (1016) …………. especially cancer of the colon. Different cultures are more prone to (1017) …………. certain illnesses because of the food that is characteristic in these cultures. (1018) ………… food is related to illness is not a new discovery. In 1945, government researchers realized that nitrates and nitrites, commonly used to preserve color in meats, and other food additives, (1019) ……….. cancer. Yet, these carcinogenic additives remain in our food, and it becomes more difficult all the time to know which things on the packaging labels of processed food are helpful or harmful. The additives which we eat are not all so direct. Farmers often give penicillin to beef and poultry, and because of this, penicillin has been found in the milk of treated cows. Sometimes similar drugs are (1020) ………. to animals not for medicinal purposes, but for financial (1021) ………. The farmers are simply trying to fatten the animals in order to (1022) ………. a higher price on the market. Although the Food and Drug Administration (FDA) has tried repeatedly to control these procedures, the (1023) ……… continue.

The food we eat seems to have profound (1014) ………… on our heath.