The young Iranian journalist passed away in Tehran on Saturday morning. He used to work for many Iranian newspapers, magazines and TV programs, including Hamshahri Javan, Donya-e-Varzesh, Jahan-e-Football, and 90.
The deceased had been actively sharing the experience of dealing with cancer with his followers on Twitter and Instagram.
In the last posts on his Twitter account two weeks ago, Shadmani advised everybody to enjoy life, laugh more, and make the others laugh before it is too late.
Mahdi was diagnosed with a type of cancer called Sarcoma.