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Weight control and appetite--a genetic perspective.

¹University of Wales, Bangor, Deiniol Road, Bangor, Gwynedd, UK.

Clinical Nutrition (Edinburgh, Scotland)

|October 1, 1990

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Weight control and appetite are significantly influenced by genetics, impacting both normal variations and eating disorders like obesity and anorexia. Environmental factors trigger genetic predispositions, suggesting new approaches to prevention and management.

Area of Science:

Genetics and behavioral science
Human physiology and nutrition

Background:

Current understanding underestimates the genetic basis of weight control and appetite.
Eating disorders, including obesity and anorexia, represent extreme ends of a spectrum influenced by inheritance.

Purpose of the Study:

To propose that weight control and appetite are more strongly inherited than previously recognized.
To explore the role of genetic factors in the variability of eating behaviors and disorders.

Main Methods:

Review of evidence across diverse animal species.
Analysis of the interplay between genetic predispositions and environmental triggers (diet, activity).

Main Results:

Inherited factors significantly influence appetite and weight regulation across a broad range.

Related Experiment Videos

Diet and physical activity act as crucial triggers for genetically influenced eating behaviors.

Genetic underpinnings are relevant to both normal weight variability and severe eating disorders.

Conclusions:

The heritability of appetite and weight control requires greater acknowledgment.
Understanding genetic influences necessitates revised strategies for preventing and managing eating disorders.
Environmental factors interact with genetic layers to manifest eating behaviors and disorders.