India, Jan. 6 -- A video shared by a Florida-based surgeon offers a blunt look at the long-term physical toll of tobacco use. Dr David Abbasi, an orthopaedic surgeon specialising in sports medicine, took to Instagram on January 4 to issue a stark warning to smokers worldwide. The post's caption served as both a lesson and a call to action: "What happens when you smoke every day for 50 years. Send this to your friend who smokes." Also read | Mumbai doctor reveals if 'weed is better than cigarettes'

In the video, Dr Abbasi highlighted the dramatic transformation of the chest and lungs after five decades of daily smoking. He said that while the damage might feel invisible for years, the biological reality is 'progressive and often irreversi...