What could be causing this? It shakes when I bend it. It stopped

What is causing this?

What is causing this sound?

Red Spots appear inside the palm of the right hand causing alot

Certain sounds make my left eardrum spasm, what is causing it?

Lower back pain + deep pulsing sensation in my left glute causing

What the hell is causing this???

Can you please tell me what is causing this?

What could be causing my body to twitch like this?

Any advice on what could be causing this noise?

What could be causing these stomach noises?

Finger spasms: what's causing them?