Yes someone can be. But if it was not your own you could DIE.
Yes, it is very possible to get addicted to WikiTree. It is possibly to get addicted to anything if you enjoy it enough.
A gameaholic is someone who is addicted to games. Much like how an alcoholic is addicted to alcohol.
There's nothing in blood that will make a person addicted to drinking their own blood. If a person does get addicted for some reason, it's most likely a psychologically problem. Absolutely no, as a clinical addiction requires a physiological component. A psychological "addiction" more correctly a habituation, may however occur. Drinking your own blood is dangerous in that there is an infection risk. Also, there's the risk of masking other symptoms like a a gastrointestinal bleed. If you feel compelled to drink your own blood, I kindly suggest that some counselling may be helpful.
Lazy.
someone who is addicted to crack
they see hallucinations
It is someone who is addicted to dancing!! :D
Fistpump fiend!!
A hardcore drinker is someone that is addicted to drinking...
A pin cushion.
someone who is addicted to crack and willl do ANYTHING to get it.
I guess an eager scholar?