The simplest, monosaccharides, compose of single sugars whose parts are arranged around asymmetric carbons. Sugars intake for adults and children: Guideline. Moreover, the traditional starch based diets of some developing nations have likely contributed to rising risk of chronic disease, with the decrease in physical activity and higher body mass index associated with rapid urbanisation.
A fructose workshop concluded that health outcomes research meant to inform health policy should use large, long-term studies using combinations of sugars found in the typical American diet rather than pure fructose or glucose 5. Some monosaccharides have a sweet taste.
Most long term data derive from observational studies, which may be affected by confounding and other methodological problems. Glycemic index, glycemic load, and cancer risk: a meta-analysis. International tables of glycemic index and glycemic load values: The BMJ thanks the series advisers, Nita Forouhi and Dariush Mozaffarian, for valuable advice and guiding selection of topics in the series.
Heinbecker P. Amount, type, and sources of carbohydrates in relation to ischemic heart disease mortality in a Chinese population: a prospective cohort study. Econ Hum Biol ; Monosaccharides are the building blocks for synthesis of disaccharides, oligosaccharides, and polysaccharides.
Recognising this challenge, several indices for carbohydrate quality based on GI, fibre, whole:total grain consumption, and other factors and total diet quality have been proposed.
This article is one of a series commissioned by The BMJ.