It is important that we look after ourselves so we remain fit and healthy. The things we eat can have a big effect on the way we look and feel.
Food is the essential fuel that gives us the energy to keep our bodies going. We all have different requirements at different times of our lives. Teenagers whose bodies are still developing need food to help them grow and develop and eating healthily will also provide your with essential vitamins and minerals needed to help maintain good eyesight, strong bones and an effective immune system to protect you from illness.
Problems with food can begin when people use it to cope with a difficult time in their lives. Eating disorders affect 1.6 million people in the UK.
The NHS Choices website offers a wide range of dietary advice for people of all ages, including teenagers and pregnant women.
The British Heart Foundation's Yoobot website features the free Yoobot vs YooNot game which can help children and young people think about the food they eat and the physical activity they do in order to take more responsibility for their own health.