Can low-carbohydrate or low-fat diets prolong life in middle-aged and older adults?
A healthy LFD—characterized by low intake of saturated fat and high intakes of plant protein and high-quality carbohydrates—was related to fewer deaths from all causes, from cardiovascular diseases, and from cancers. In contrast, an overall LCD and an unhealthy LCD were associated with significantly higher total, cardiovascular, and cancer mortality rates. A healthy LCD was…