Smoking cigarettes and other tobacco products, which can contain nicotine and other harmful substances, are now banned worldwide.
In the US, these products can cost as much as $300 a pack and contain chemicals like tar, glycerin, acetone, and other chemicals that can damage lungs and lungs tissue.
But scientists at the University of Cambridge have discovered that nicotine can be made from tobacco leaves.
They say the process can produce tobacco leaves which have a higher nicotine content than tobacco, making them more attractive to smokers.
In this article we’ll look at the science behind how tobacco leaves could be used to make cigarettes and how this might affect our future health.