/ > according to the British Daily Mail, April 4th, when I Many of us are still worrying about losing weight or enjoying good food. Jake Vella, a 8 year old boy from Malta, is desperately exercising for his life. It is reported that Jake Vella suffers from a rare disease which causes his body weight to increase and threaten his life. Now, he is fighting the disease through the triathlon. It is reported that the disease of Jake is caused by hormonal imbalance. Although he follows a healthy diet, regular exercise can not lose weight. This endocrine disease can also lead to tumor growth, and there is a tumor on the back of Jake. 
, but because of this rare disease, no matter what kind of effort Jake makes, he will only become more and more heavy. It is reported that less than 100 of the world's people are diagnosed with such diseases. Doctors say it is not clear how long they will live, but few people who live with the disease can live in their twenties.