[What? How? Why?].

Nutrition has long been suspected to play an important role in cancer etiology. The biologic properties of nutrients make them prime candidates to aid in cancer prevention. Indeed, early epidemiologic cancer studies seemed to confirm the relevance of diet. These studies, however, were plagued by recall bias and confounding and may have thus been misleading. The results from large, prospective cohorts do not support a strong relation between nutrition and cancer. Given the difficulties in precisely assessing habitual diet, modest associations may exist, which may be impossible to capture when relying on self-reported dietary information. Energy balance, reflected in a low body weight and high level of physical activity, has been more convincingly related to lower cancer rates. The potential importance of more extreme dietary regimens and of nutrition during earlier periods of life remains to be explored. Finally, epigenetic research is likely to contribute to the understanding of nutritional regulation of gene expression.

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PubMed2005

The dietary approach to obesity: is it the diet or the disorder?

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PubMed2005

The use of diet in the treatment of epilepsy.

Fasting and other dietary regimens have been used to treat epilepsy since biblical times. The ketogenic diet, which mimics the metabolism of fasting, was used by modern physicians to treat intractable epilepsy beginning in the 1920s. With the rising popularity of drug treatments however, the ketogenic diet lost its previous status and was used in only a handful of clinics for most of the 20th century. The diet regained widespread recognition as a viable treatment option beginning in 1992 due to the efforts of parent advocate groups. Despite challenges to implementation of the treatment, the ketogenic diet has significant potential as a powerful tool for fighting epilepsy.

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