Be careful, people - as the article says, get good medical advice before drastically changing your diet:
Liquid diets like those favoured by Shane Warne can strain heart, say experts
Professor Garry Jennings, the Heart Foundation’s chief medical adviser said that, in certain circumstances, very low calorie diets could put extra strain on the heart.
https://www.smh.com.au/national/liquid-diets-like-those-favoured-by-shane-warne-can-strain-heart-say-experts-20220306-p5a25b.html?utm_medium=Social&utm_source=Facebook#Echobox=1646579729
Answer
As an Australian reading this article this morning, this is absolute garbage. Shane Warne was a famous lifelong smoker even as a pro athlete.
Correlation does not equal causation. Let’s wait for the autopsy