Well guys, I think it’s pretty clear what we need to do. It’s time to collect all the Dragon balls so we can bring him back. RIP Toriyama-san, you will be missed.
I think your autocorrect took a crap. That is just a common bruise.
Subdural would be similar, but under the outer layer of the brain.
As for age, anyone can get these as they tend to be symptom from something else. The main causes would be high blood pressure, a side effect of blood thinners, or a concussion; like from falling and hitting your head.