What causes ringing in the ears?

I was sitting here I got a weird ringing noise in my ear what can it be

had accident hit head hard now ringing in ear help.

Usually I'll just be reading, and all of a sudden my ear will feel like it closes up and has a soft tone of a ring...I poke m...

...either that or side effects of vacine?

I'm wearng a mood ring and now there'a a green line going across my finger , I know it's from the copper in the ring , I thou...

I occasionally get the feeling that there is air trapped in my ear at random times. It just feels like air is blowing around ...

I have had ringing in my ears for a week now after shouting really loud. I have never had it for this long before, does any ...

I went to a club 3 weeks ago and I still have ringing in both ears. I've looked into this and I'm suffering with tinnitus. Ha...

My friend has a lump behind her ear, around the size of a pea but a little smaller. She says that it goes away and when it c...

Just wondering if its true that caffeine causes cellulite? Because I think I heard that somewhere. Lol just wondering.