What is the most harmful thing you can do to your heart?

is puting thing up youu eurthera hard ful if you take it out

I have a doctor's appoinment monday to get a heart murmur checked out. But I have a few questions for anyone who's ever had ...

When I eat I sometimes get a really big pain in my heart, what is it? Btw I don't eat fast so it can't be indegestion.

Is it not harmful to your body if you ejaculate everyday? I'm a male.

Whenever I sit down I have like my heart beat thing in my butt Why is that?

what is the best thing for p.t.s.d?

It's hard and round or oval at the opening of the it doesnt hurt its hard and attached to something .

I started forgetting little things like last year Dec. but I didnt worry about it but after a few months in school, I wasnt f...

What is a heart mermer? I have one, but im not sure exactly what it is.

I'm sixteen, at a good weight; healthy. Whenever I breath in deep,my heart starts to hurt really bad, so I have to stop for ...