does cycling help in regulating heart beat?

So, once in a while when im just doin normal activities (even just sittin doin nothing), it feels as if my heart skips a beat...

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

omg omg I just realized this... I am laying on my bed and my stomache was beating like my heart!!! I think it is my heart the...

I'm only 14 and I have a resting heart beat of 100 Is this bad?

What should my heart rate be per min? If I am just sitting, calm. I just turned 16 years old, and im curious to know. I had...

My heart randomly starts beating really fast and hard... And idk y. I was sitting in class the other day and it felt like it ...

I can even physically see it and I feel it much better than I do in my neck

Does anyone here work in a hospital and get paid? I need to know how the payments get processed and the actual way doing it i...

Whenever I'm around my crush, I can't help but get that heated throat feeling but if I'm around him for a long period of time...

the theory on babies heart beat being higher than 140 means a girl? & lower than 140 means youre carrying a boy? has anyone e...