Why did vitamin therapy begin losing favor in the 1950’s ? A. Medical schools stopped teaching nutritional concepts B. Nutritional research was of poor quality C. The public lost interest in

Đáp án D

Thông tin: . It was just a decade before this that many drug companies had found their vitamin sales skyrocketing and were quick to supply practicing physicians with generous samples of vitamins and literature extolling the virtue of supplementation for a variety of health-related conditions.