Nutrition Matters Flashcards
what is the first law of thermodynamics?
energy
can energy be created?
no, and it cannot be destroyed, it can only be transferred from one form to another
what does sugar stimulate in the brain?
stimulates dopamine in the reward center of our brain and provides positive feedback
what is the problem with concentrated sources of sugar?
They trigger dopamine in our brains, but provide much more energy, much faster than our bodies can use and often fewer nutrients
what does a Mediterranean diet improve?
HDL function in high CV risk individuals
leading causes of both premature death and persistent misery in our society are chronic diseases that are attributable to the use of our:
feet (physical activity), forks (dietary pattern), and fingers (cigarette smoking)
what are the top 3 leading causes of death in Canada?
Cancer, heart disease, stroke
what ratio of kids and adults are overweight/obese?
1/3 kids
2/3 adults
what ratio of adults live with chronic illnesses?
1/5
what is the #1 risk factor for chronic diseases?
diet
what is the unit for energy measured in?
kilocalorie, Kcal or calorie
what is one calorie?
the amount of heat it takes to raise one g of water one degrees celsius
one calorie is equal to how many joules?
4.18
One Kcal is typically enough energy to take how many steps?
25
what are the 3 energy producing macronutrients?
carbs, lipids (fat) proteins