Peer-Assisted Learning in Undergraduate Medical Education for Resilience and Well-being.

Peers are a powerful resource in the learning process. Peer-assisted learning (PAL) is a high value activity for the peer and the coach. We report here a PAL activity focused on resilience and well-being for first-year undergraduate medical students. The model and lessons learned are described.

The role of nutritional genomics in developing an optimal diet for humans.

As the focus of nutrition research increasingly shifts to defining what optimal health is for humans and how to achieve it, interest in nutritional genomics is growing. Among the expectations for this field is the ability to match foods to the individual's genetically determined ability to digest, absorb, and use the nutrients within those foods. Avoiding foods that are not an appropriate match and focusing on those with a positive impact on health promises to be an important aspect of achieving optimal health. The challenge, however, is to determine what that match is for the human species and, ultimately, for each individual. This review explores how earlier research using nutritional genomics and a model system approach has been used to investigate gene-diet interactions successfully and how this approach might affect the quest for an optimal human diet.

Ethical and legal issues in nutritional genomics.

Advances in the ability to study how common variations in genes affect the metabolism of drugs and foods suggest that genetic information about individuals is of increasing relevance to clinical practitioners, including registered dietitians. The acquisition, storage, and use of genetic information in nutrition counseling will pose difficult ethical and legal questions involving the maintenance of confidentiality, the right to privacy, and the risks of discrimination in decisions about insurance coverage and employment. In addition, genetic analysis of children poses new questions about the limits of parental authority. Although the field of nutritional genomics is in its infancy, it is appropriate for registered dietitians to begin now to fashion a code of conduct about the proper use of genetic information. Relevant legal topics, such as federal and state legislation and judicial decisions, are discussed.

Nutritional genomics in practice: where do we begin?

Nutritional genomics, which studies the genome-wide influences of nutrition, has far-reaching potential in the prevention of diet-related disease. It is highly likely that during the next decade the nutritional supplement and functional food industries will continue robust growth in response to advances in nutritional genomics research and its applications. Parallel to this growth will be impressive progress in understanding the specific influence of certain food components on metabolic pathways and on long-term risk for disease. As genetic information about individuals becomes available, such data are likely to redefine the current concept of preventive medicine. Dietetics professionals have the potential to harness this information and influence health promotion and disease prevention on a global scale. For these reasons, the dietetics profession has an exciting opportunity that, if seized and properly executed, could enhance the scientific foundation of clinical practice, improve therapeutic outcomes, and significantly expand career and economic opportunities for practitioners. The future of dietetics is unquestionably intertwined with nutritional genomics.