It is not a symptom I have ever heard before...
ye nans bummmmmmm
Your question does not contain enough information to be answered. Your question needs to mention where the bumps are on your body.
possibly dermographia?
Scabies
small bumps along hairline
Many conditions cause small bumps. See your healthcare provider for a clear diagnosis.
They are banned in USA swimming. If that helps
aids
It depends on how far into puberty you are. If your talk about abbs then that is normal but if it's just lumps I'm not sure. I'm 12 and I have lumps/bumps on my chest but I know there abbs because I work out and go to the gym.
When you are pregnant those small bumps leak fluid to help lubricate your nipple to help it not dry out.
protein