The simple cup of tea has a little hidden secret that could be having a huge impact on the environment and your health.
Some teabags are made of plastic, which could get in to the tea, and yes you're probably drinking it.
The war on plastic, which has targeted supermarket bags and plastic straws, has now set its sight on a cup of tea - but surely we can't give that away so what can we do?
Biochemist Lindsay Miles says the plastic is unnecessary, and we should just be using loose leaf instead of a tea bag.
Watch The Project video above for the full story.