You can't compare them. Hypertonicity is a term used in Biology, therefore it is part of reality. Death is the only certain thing in life and the afterlife is a term, thought up by people who are afraid of death, which has no basis in reality.
Most Americans believe in the afterlife. (life after death)
afterlife ??
afterlife
People are afraid of death. And of the afterlife. The horror genre attempts to capitalize on that fear.
Egyptians viewed the afterlife as a test, that if you passed you would continue into paradise. Summerians viewed death/afterlife as a dark deep cave.
Rebirth
They go to afterlife. Life after death.
no
they believed in a positive afterlife.
Life after death is The state of afterlife; existence in heaven
Life after death is The state of afterlife; existence in heaven
death/afterlife