Health and wellness 2 Flashcards
makes up 70% of body weight
acts as a solvent for metabolic processes
water
the diet should provide approx 55% of energy in ____
the major sources of energy for the body
sources are primarily plants
complex ones are preferred energy source
fiber is an ingestible form of ____
carbs
approx 20% of the diets should come from this
are necessary for tissue growth, maintenance, and repair; synthesis of hormones and enzymes; composition of DNA; acid-base balance; blood clotting; and other metabolic processes
protein
contain all the essential amino acids and come primarily from animals and seafood
complete proteins
are found in lentils, nuts, grains, soya, and peas
incomplete proteins
the diet should include no more than 30% and no more than 10% saturated _____
are necessary as an energy source; for insulation, hormone production, vitamin absorption, nerve conduction
fats
found in primarily animal procuts, have be implicated in cardiovascular disease, cancers and obsesity
saturated fats
from plant sources are considered healthier
unsaturated fats
from oily fish sources are believed to decrease levels of low density lipoproteins and are recommended as part of the weekly diet
omega 3 fatty acids
are elements obtained through dietary intake that are necessary for normal metabolism
found in fresh foods
vitamins
A, D, E, K
can be stored by the body and are not easily destroyed in cooking or storage
fat soluble vitmains
B complex and C
are not stored in the body and are easily lost in cooking
water soluble vitamins
are inorganic elements essential to the body as catalysts in biochemical reactions
minerals
physiological development or deterioration at both ends of the lifespan
physiological state
may be individual in nature or may be affected by social and cultural norms
food preferences
the amount of nutritional knowledge affects healthy eating choices in adults but has not been demostrated to affect children and adolscents
nutritional knowledge
perceptions of healthy eating are influenced by current dietary guidelines and cultural influences
perceptions of healthy eating
shown to affect food choices, include self esteem, body image, chronic dieting, mood and focus of attention
psychological factors
family, peers, and feelings of social isolation affect patterns of healthy eating
interpersonal factors
this determines the availability of food and access to that food, such as the proximity of supermarkets
physical environments
social status and culture often influence food choice
social environment
eating behaviours are influenced by corporate-driven economic interests
economic environment
policies define what is considered relevant and influence our food choices
healthy public policy
can be defined as the inadequate or insecure access to food due to financial constraints, and is a significant social and public health issue in Canada
household food insecurity