Starter • Answer the following questions in your head. 1. List the seven components of a healthy diet. 2. Why do you need to eat less food in warmer countries? 3. Why does an 18 year old need to eat more than an 80 year old? 4. What is “metabolic rate”? 5. Which groups of people have high metabolic rates? What health problems are linked to being overweight ? Weight Problems Why are people that do exercise usually healthier than those that do not? Why is it unhealthy to be too thin?
Transcript
Starter• Answer the following questions in your head.
1. List the seven components of a healthy diet.2. Why do you need to eat less food in warmer
countries?3. Why does an 18 year old need to eat more
than an 80 year old?4. What is “metabolic rate”?5. Which groups of people have high metabolic
rates?
What health problems are
linked to being overweight?
Weight Problems
Why are people that do
exercise usually
healthier than those that do
not?
Why is it unhealthy to be too thin?
• If you take in more energy than you use, the excess is stored as fat.
• Obesity is defined as having a BMI of 30.
What health problems are
linked to being overweight?
What is Obesity?
Why are people that do
exercise usually
healthier than those that do
not?
Why is it unhealthy to be too thin?
• Fat is an important store of energy.• Fat also surrounds your internal
organs, providing cushioning.
What health problems are
linked to being overweight?
Is Fat Bad?
Why are people that do
exercise usually
healthier than those that do
not?
Why is it unhealthy to be too thin?
• Having too much fat, or being clinically obese can lead to health problems like:– Arthritis– Type 2 diabetes– High blood pressure– Heart disease
What health problems are
linked to being overweight?
What health problems are linked to obesity?
Why are people that do
exercise usually
healthier than those that do
not?
Why is it unhealthy to be too thin?
• You lose mass when the energy content of your food is less than the energy you use. Eating less high calorie foods is a good place to start.
What health problems are
linked to being overweight?
How do you lose weight?
Why are people that do
exercise usually
healthier than those that do
not?
Why is it unhealthy to be too thin?
• You can increase the amount of energy you use by exercising.
What health problems are
linked to being overweight?
How do you lose weight?
Why are people that do
exercise usually
healthier than those that do
not?
Why is it unhealthy to be too thin?
• Malnourishment means not consuming a balanced diet.
• It could refer to an excess, or lack of one of the main food groups in someone’s diet.
• May be caused by the environment. E.g. Civil war – food shortage.
What health problems are
linked to being overweight?
What happens if the body does not receive enough food?
Why are people that do
exercise usually
healthier than those that do
not?
Why is it unhealthy to be too thin?
Symtoms include:– Loss of hair– Flaky skin– Drop in concentration levels– Less energy– Irregular heart beat
What health problems are
linked to being overweight?
What happens if the body does not receive enough food?
Why are people that do
exercise usually
healthier than those that do
not?
Why is it unhealthy to be too thin?
• Malnutrition could lead to a deficiency disease.
What health problems are
linked to being overweight?
What happens if the body does not receive enough food?
Why are people that do
exercise usually
healthier than those that do
not?
Why is it unhealthy to be too thin?
1. What is fat used for by the body?2. How does somebody become
obese?3. What are the health problems
associated with obesity?4. What two things should you do to
lose mass?5. What is malnourishment?* What are the problems associated
