Atheism is unreasonable

[Natachan]

This shows a lack of understanding about thermodynamics, cancer, and chemistry. Now ignorance of these subjects isn't terrible, they're hard subject to grasp, so I'll assume that the statement was made in ignorance.

I will assume that the statement was right on the money in the context I was saying it in.

Cancer is rarely, if ever, just due to decay. What I learned in chemistry was that it was often the result of added energy. This can be the result of radiation, viruses, or other pathogens in the body.

Even of it was the result of general decay, it would not follow that this was due to the second law as you claimed. The human body is NOT a closed system, and as such the second law does not apply.

According to Christian theology, when God made Adam and Eve, they were "good". They were the best specimen of mankind that the world had ever seen...after they disobeyed God, their bodies began to deteriorate, and they eventually grew old, and died. The same thing with their offspring. That is the second law of thermodynamics, which state that over time, closed systems will begin to lose its energy to do work. The human body IS a closed system. There is nothing outside it that will keep you from getting old and dying. Over time you will start losing more and more of your senses, until your body just stops operating as a whole.

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1) there was no Adam and Eve, but that's not relevant to the point. Since
2) the human body is NOT a closed system. Because, by definition, a closed system does not receive matter (and in some cases energy) from the outside. Do you eat? Do you poop? Then your body is taking in and letting out both matter and energy. And as such is not a closed system.

Aging and cancer are unrelated (well, mostly). Cancer is caused by: radiation (an addition of energy), viruses and disease, and in some cases there are some genetic factors. But it is in no way related to the second law, which states only:

For any spontaneous process, the entropy of the system increases (delta S > 0).