We don't know yet the nature of different kinds of "energy", which we have. We say "energy", but understand that it is not the same thing as electric energy, which can be measured in joules.
It is a fact, that [bless and do not curse][bless and do not curse][bless and do not curse][bless and do not curse][bless and do not curse][bless and do not curse][bless and do not curse][bless and do not curse][bless and do not curse][bless and do not curse][bless and do not curse] little decreases the physical power of our body; every man can check this...