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National Health and Nutrition Examination Survey (NHANES): Taste and Smell Examination Component Manual

National Health and Nutrition Examination Survey (NHANES): Taste and Smell Examination Component Manual

Paperback

Medical Reference

ISBN10: 1499265859
ISBN13: 9781499265859
Publisher: Createspace
Published: Apr 27 2014
Pages: 102
Weight: 0.42
Height: 0.21 Width: 7.00 Depth: 10.00
Language: English
The vast majority of people with smell and taste disorders have problems with smell, not taste. Smell plays the most important role in appreciating flavors in eating. Common tastes such as chocolate, coffee, strawberry, apple, peach, pizza, steak sauce, and chicken actually reflect smell-mediated sensations: odors from chewing food are released and propelled upwards towards the olfactory receptors via the posterior nasal pharynx. Taste buds, located mainly on the tongue surface, palate, and oropharynx, are primarily responsible for mediating sweet, sour, bitter, salty, and metallic sensations. The roles of the taste system include: (1) triggering digestive reflex systems that alter secretions of saliva, stomach acid, and pancreatic juices; (2) enhancing the feelings of pleasure and satiety when eating; and (3) enabling the determination of the quality of sampled foodstuffs and distinguishing nutrients, which usually taste good (e.g., sweet) from potential toxins, which usually taste bad (e.g., bitter). Although not usually appreciated, taste dysfunction can alter food choices and patterns of consumption, producing weight loss, malnutrition, and in some cases impaired immunity and even death. In someone who is hypertensive or diabetic, taste loss can lead to a dangerous tendency to overcompensate for the loss of a sense of taste by adding additional salt or sugar to the food.

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