> One of science's most critical roles is to inform policymakers

Yup. From their article: “DCCT/EDIC revolutionized the approach to treating people with type 1 diabetes, establishing standards for glucose control and resulting in improved quality of life along with clinically significant reductions in the risk of diabetes complications and major adverse cardiovascular events.

After 44 years, it continues to provide new insights, including showing that in adults with type 1 diabetes, neurodegeneration is likely the result of non–Alzheimer disease mechanisms. DPP/DPPOS, which enrolled people with prediabetes, demonstrated the benefit of intensive lifestyle intervention and metformin in reducing the risk of developing diabetes. These findings led Congress to approve an amendment to the Social Security Act to establish the Medicare Diabetes Prevention Program and provide lifestyle intervention services for eligible individuals.”