Adam and Eve now had sin deeply etched in their genes. Hence, they could not produce perfect offspring, any more than an imperfect mold can produce a perfect object. (Job 14:4) Indeed, every human birth confirms that our first parents lost perfect health and eternal life for themselves and their progeny. The Christian apostle Paul wrote: “Through one man sin entered into the world and death through sin, and thus death spread to all men because they had all sinned.”—Romans 5:12; compare Psalm 51:5.
Today scientists do not know just why humans grow old and die. The Bible, however, explains that we die because we are born sinful, having inherited this condition from our first human parents. But what happens to us when we die?