Hi I have had breathlessness for months when walking up stairs etc. Now I feel like my legs especially are wweak when walking up stairs etc. I'm so scared. I googled and I have heart failure I think. I'm 28. My doctor has been lying. I gave seen 4 in 2 months about my breathing and not one said I should have a test byte it was anxiety although my anxiety been the best for over a year. I just can't go back into this anxiety he'll. Can heart failure be cured. I feel sick