Nutrition for Health and Changing Lifestyles
Nutrition – The study of the nutrients in foods, how nutrients are
used in the body, and human behaviours related to food (text p. )
We need to depend on food for our survival.
The food we choose has an impact on our body and our health.
Diet – The foods and beverages a person usually eats and drinks
Food – Any substance that the body can take in and assimilate that
will enable it to stay alive and healthy
Carrier of nutrients
Anything that gives us energy or keeps us alive … is considered food.
Health – The state of a human when it functions optimally without evidence
of disease or abnormality
“Optimal health for Canadians can only be achieved when greater
efforts are made in health promotion and prevention of illness, and
when nutrition is an integral part of these efforts”
(Health Canada) Nutrition and Disease Prevention
Diet influences long-term health outlook
Genetics plays important role
Genetics and nutrition affect health conditions in varying ways (Fig .)
Nutritional Genomics – The science of how nutrients affect
the activities of genes and how genes affect the activity of
Figure . in our book
We choose to “diet” which affects our health.
Nutrition and disease preventio