In the second half of the twentieth century, nutrition researchers failed to find a link between nutrition and the development of chronic diseases. a. trueb. false

False.

Explanation:

Chronic diseases may be defined as the diseases that affects the human health for the long period of time. The individual gets infected with chronic diseases for more than 3 months or up to many years.

The proper nutrition present in the body helps the individual to fight with the chronic disease. The undernourished people cannot overcome with the disease easily. The nutritionist has explained the link between the nutrition and its effects on the development of the chronic disease.

Thus, the answer is false.