If you consume more energy than your body needs, this energy will be stored as fat. In extreme cases, this may lead to obesity.
Weight stays the same Weight gain Weight loss Fig. 2.3.3 Energy balance
2.3
INTAKE Kilojoules from food and drink
OUTPUT
Kilojoules used for body functions and activity
Carrying too much fat puts the body under pressure. The heart has to work harder, which leads to increased blood pressure. High blood pressure increases the risk of stroke and heart disease.
Obesity is also linked to an increase in the disease type 2 diabetes. Diabetes affects how the body uses glucose, the main type of sugar in blood.
Lifestyle Choices
To keep healthy, a balanced diet must be combined with other good lifestyle choices, such as:
z Exercise z Regular periods of rest z Drinking lots of water z Limiting alcohol
