Gene therapy is a technique that modifies a person's genes to treat or cure disease . It aids in stopping the transmission hereditary diseases . The first patient to be treated with gene therapy was a four year old girl treated in 1990. She had a congenital disease called adenosine deaminase (ADA) deficiency which severely affects immunity and the ability to fight infections. 00:10 :Introduction to genes 01:00 : Introduction to gene therapy 01:30 : How gene therapy is done 01:58 : The 2 methods of gene therapy 02:44 : Types of cells gene therapy can be done on 03:15 : outro Thanks for watching ! subscribe for more similar content . comment your ideas in the comment section below. music : https://youtu.be/TL0-h9qgtAY