Usually we tall that person should take less carbohydrate diet to limit gaining weight or obesity or low carbohydrate diets, which restrict carbohydrate in favor of increased protein or fat intake, or both, are a popular weight-loss strategy. However, the long-term effect of carbohydrate restriction on mortality is controversial and could depend on whether dietary carbohydrate is replaced by plant-based or animal-based fat and protein.

As published in the Lancet a study was conducted to investigate the association between carbohydrate intake and mortality. 15,428 adults aged 45–64 years, in four US communities, who completed a dietary questionnaire at enrolment in the Atherosclerosis Risk in Communities (ARIC) study (between 1987 and 1989), and who did not report extreme caloric intake (<600 kcal or >4200 kcal per day for men and <500 kcal or >3600 kcal per day for women) were selected.…