I Have slight burning sensation on my right side of the chest at abrupt intervals throught the day .I have been eating a lot junk food and have got a had posture and forward head since last few months .I have alot belly fat and have gained some kgs since last year.I had no such problem a year back and had an excellent stamina but since last may I have had pretty much a sedentary lifestyle with a lot junk pizza ,burger consumption as well as home food twice a day.I also get tired quickly with a short walk.Please help me if I should undergo a heart checkup.