HI,
I am male 36 years old, I have this problem since long time ago, I though that it something not to worry about since I am about 200lb in weight.
it start being always easy to get tired, with shortness in breathing , fast heartbeats and sweating as well when I am doing any activity,sometime when i climbing stairs to the second floor or when I walk more than 10mins or do some activities for more that 15 mins I dont know why and whats wrong and who I have to see for it