Legal and illegal drugs can change how people act and cause health problems.
Learn about communicable diseases and non-communicable diseases - in other words, those that can be spread and those that can't.
Learn how vaccines and antibiotics work in different ways to protect against illness.
Learn about the causes and effects of common mental health issues such as stress, anxiety and depression.
Discussing whether we should ban sugary drinks for under 18s. Can you think like a scientist?
We have a selection of great videos for use in the classroom