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What factors could affect
a person’s nutritional
needs?
Lifelong Nutrition
Chapter 11
Lesson 3
Factors
AGE
- during teen years, calorie needs increase to
support growth.
GENDER
- Females tend to need less calories,
HOWEVER, females have greater need
for some nutrients, like iron and calcium..
Activity Level
- the more active you are, the more
calories your body needs to maintain
your weight!
Michael Phelps
http://youtu.be/QXRvXtcSu14
Vegetarian Diets
A person who eats mostly or only
plant-based foods
Advantages ?
Low in saturated fat and cholesterol
Disadvantages?
Lower in certain nutrients: **Vitamin B12 is
only found in animal based foods**
Types
Vegans: strictly plant-based
Lacto-Ovo: add dairy foods & eggs to their
diet
Lacto: add only dairy Foods
Ovo: Eggs
Supplements
Some vegetarians may need to take dietary
supplements
Definition: products that supply one or more
nutrients as a supplement to, NOT a
substitute for, healthy foods.
Health Conditions!
Foods that we eat can trigger certain diseases.
1. DIABETES:
- must monitor blood sugar
- some must take/inject themselves with insulin
2. FOOD ALLERGY:
- range from annoying to life threatening
- affects immune system - must check ingredients
Health Conditions effected by Food
3. LACTOSE INTOLERANCE:
- can’t easily digest lactose in milk and some
dairy products
4. CELIAC DISEASE:
- Also known as gluten intolerance
5. HIGH BLOOD PRESSURE::
- consuming salt can raise
a person’s blood pressure
6.HIGHCHOLESTEROL:
- reduce intake of saturated
fats and trans fats
Nutrition for Athletes
Fact: Teen Athletes may need up to 5,000 calories per
day.
- Require more protein and carbohydrates
Athletes Continued
Hydration – sweat during exercise; body
loses fluids.


Fluids must be replaced to avoid dehydration
Dehydration can lead to an imbalance of
electrolytes
Avoiding Performance Enhancers
Substances that boost athletic ability
Types




Anabolic Steroids – Illegal w/o prescription from dr.
Androstenedione AKA “Andro” – banned from professional
sports.
Creatine – releases energy but side effects include nausea and
muscle cramping.
Energy Drinks – quick energy, but have caffeine which leads to
dehydration and increase of heart rate.
http://youtu.be/3Ky90LjM4AE
A Steroid Story
Body Image…
http://youtu.be/B8kgnu55BiE
http://youtu.be/G_ZzooIjIbQ