Want normal heartbeats. From last year.

I came in depression due to some consequences(taunts) . So From last year, i discovered constant headache, restlessness, heavy head , anxiety ,depression, irritability etc... And while i was suffering from all these things ,i consumed ganja (weed , marijuana) for continuos 3 days , and experienced heavy panic attack( fear of dying because of which my heartbeats were like that of heart attack , i was not able to breath and was admitted in emergency ward)..... . After that day i never consumed ganja but after effects of consuming ganja for 3 days is till now.... . I have shortness of breath, less lungs power , heart palpitations at its peak... I want my heart and lungs to be healthy ....please help me.... . . Note---> i am regularly consulting with psychiatrist from last year....