Alan M. Preston
San Juan, Puerto Rico
Last Updated: 09/26/2026
Save publications for later
Sign Up
Not sure about your diagnosis?
Check Your Symptoms
Found 16 publications
Nutritional Status of Puerto Rican Families in 1966 - What can be learned from Retrospective Surveys?
Journal: Puerto Rico health sciences journal
Published: September 30, 2025
The Healthy Eating Indices of Puerto Rican Families, 1961 to 1966: A Retrospective Study, Calculated using Data from Previous Nutritional Surveys.
Journal: Puerto Rico health sciences journal
Published: September 30, 2025
Examination of three ketogenic diet plans: Congruency with the Healthy Eating Index (HEI) and consistency of the day-to-day HEI scores for a period of 1 week.
Journal: Nutrition and health
Published: July 30, 2025
Macronutrient Adequacy of a Mediterranean-type Meal Examined at Recommended and Below Recommended Energy Values.
Journal: Journal of food science and nutrition research
Published: June 29, 2023
The Puerto Rico Journal of Public Health and Tropical Medicine (1925-1949): Coverage of Tropical Sprue.
Journal: Puerto Rico health sciences journal
Published: June 23, 2023
High Carbohydrate vs High Fat Diets: Which is Preferable for Long-term Use?
Journal: Journal of food science and nutrition research
Published: May 22, 2023
Ashford, Bananas, and Celiac Disease.
Journal: Puerto Rico health sciences journal
Published: June 15, 2022
Does A1c Pass the Transparency Test in Understandability as a Biomarker of Diabetes?
Journal: Puerto Rico health sciences journal
Published: April 19, 2022
Vitamin D Content in Milk of the Rhesus Monkey.
Journal: Puerto Rico health sciences journal
Published: April 20, 2021
Toward a Better Understanding of Diabetes Risk.
Journal: Puerto Rico health sciences journal
Published: May 09, 2020
Effect of Season on 25-OH Vitamin D in Serum of Rhesus Monkeys Housed in Puerto Rico.
Journal: Puerto Rico health sciences journal
Published: September 07, 2018
Effect of Housing Type on 25 OH Vitamin D in Serum of Rhesus Monkeys.
Journal: Puerto Rico health sciences journal
Published: June 16, 2018
Last Updated: 09/26/2026