What is the current understanding as to why organisms age and die? In the following explanation on Ask an Engineer, entropy is not even considered (despite it being answered by an engineer). Unless you consider
accumulation of damage to an organism over time
as a result of entropy ?
In the end, is the eventual death of any organism a result of how the laws of universe? In the paper Aging of the brain, entropy, and Alzheimer disease, the author states that
Increasing entropy, manifest through a complex network of interacting ARCs, is seen as the fundamental driving cause of neural and cognitive decline in the elderly
where the abbreviation ARC stands for age-related changes.