Vitality and Health the same?

After a long time of contemplating the right potions, William came across the one that he was in desperate need of.

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Vitality regeneration potion

 - Restores 1 point of vitality every 20 minutes, with effects lasting for a total of 40 minutes. 

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"Just what the fuck do I do with it?" William said aloud pondering as to what trickery was going on with him.

'Now that I think about it… isn't vitality and my health the same?' 

That was the big question that was affecting him for some time now. Yes, he needed vitality a lot more than the other things. But won't the effects of the health potions also regenerate his health too?

William thought about it and even wrote a question in the chat regarding his query.

He waited for a long time and didn't use the '@everyone' again, he didn't want to get on the bad side of everyone at the same time. Not when things were so unpredictable.