
Unhealthy Diets and Health Problems
Understanding how diet affects our health Year 8 Science - The Axis Academy

What Makes a Diet Unhealthy?
Think about what you already know... What foods might cause problems if we eat too much? What happens if we don't get enough nutrients?

What is an Unhealthy Diet?
Too much sugar, salt, and saturated fat Not enough fruits, vegetables, and whole grains Missing important vitamins and minerals Eating the same types of food all the time

Energy Needs Investigation
Different people need different amounts of energy Active people need more calories Age and lifestyle affect energy needs Let's explore with role cards and energy tokens!
Health Problems from Poor Diet
{"left":"Mineral deficiencies (iron, calcium)\nTooth decay from too much sugar\nFeeling tired and weak\nPoor concentration","right":"Type 2 diabetes risk\nHeart problems\nWeak bones\nSlow healing"}

Mineral Deficiencies
Iron deficiency → tiredness and weakness Calcium deficiency → weak bones and teeth Vitamin D deficiency → bone problems These happen when we don't eat varied foods
How Diet Affects Blood Sugar

How Can We Stay Healthy?
What can you do to keep your diet healthy? How might exercise help? What small changes could make a big difference?