1. Regular exercise and a healthy diet are important for both diabetics and nondiabetics.
规律锻炼和健康饮食对于糖尿病患者和非糖尿病患者都很重要。

2. The study aimed to investigate the effects of a low-carbohydrate diet on nondiabetic individuals.
该研究旨在调查低碳水化合物饮食对非糖尿病患者的影响。