Notes outlining chapter 1 of an introduction to nutrition college course. Discusses importance of food, energy, lifestyle choices, nutrients, and supplements. Includes the challenge of choosing foods and the reason why people choose certain foods with various drive factors. Also, different types of...
● Nutrition - a science of how food nourishes the body.
● Chosen food exert cumulative effects on the body - good or poor health
● Your body continually renews itself.
● The best foods for you support your body’s growth and maintenance.
● Malnutrition - Deficiencies, imbalances, and excesses of nutrients.
● Influential lifestyle habits - tobacco or alcohol use and nutritional choices.
● Chronic diseases are linked to a poor diet.
● Heart disease is the leading cause of death in the US.
● Genetics and nutrition affect diseases to varying degrees - sickle-cell disease,
human genome.
Why be Physically Active?
● People who combine regular physical activity with a nutritious diet can expect to
receive at least some of these benefits:
○ Reduced risk of cardiovascular diseases, diabetes, certain cancers,
hypertension, and other diseases.
, ○ Increased endurance, strength, and flexibility.
○ More cheerful outlook and less likelihood of depression.
○ Feeling of vigor and belonging.
○ A more youthful appearance, healthy skin, and improved muscle tone.
○ Reduced body fat.
○ Faster wound healing.
Other Lifestyle Choices:
● Lifestyle choices affecting health
○ Sleep.
○ Emotional stress.
○ Environmental factors.
○ Substance abuse.
○ Physical activity.
The Human Body and its Food:
● The energy the body uses comes indirectly from the sun - plant derived food.
● The body requires six kinds of nutrients
○ Four are organic - containing a carbon.
○ Carbohydrates, protein, fat, vitamins (four organic), minerals, and water.
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