Increasing use of alcohol and steroid-based food supplements is exposing India's youth to avascular necrosis(AVN) the death of bone tissue due to lack of supply and consequent hip replacement surgeries experts say. AVN is responsible for almost 50 percent of hip replacement surgeries a trend that is on the rise among India's young population said Rakesh Rajput senior orthopaedic surgeon at Kolkata's Fortis Hospital told IANS. Read: New drug can help avoid hip surgeries for avascular necrosis (AVN) Till few years ago AVN was seen amongst people with certain medical conditions such as cancer sickle-cell anaemia and Gaucher's disease. But