Every experiment has hundreds of variables, and so does your life. You can get killed by another human, run over by a truck, squashed under a collapsed building, or simply die a natural death when you're old.

However, your body is subject to physical laws and the laws of chemistry. Every part of your body can decay, and there are hundreds of illnesses that can affect every part of you.

Every aspect of your existence is governed by countless factors beyond your control. From the diseases that can strike any organ, to the unpredictable events that could end your life at any moment, it’s as if we're being observed for our reactions and behaviors under various conditions.

All these variables suggest a grand experiment, where our lives are the test subjects. We navigate through social, emotional, intellectual, and physical challenges without understanding the full scope of what’s controlling these parameters. This perspective makes it clear: we might just be part of an elaborate, ongoing experiment to observe human behavior and survival under an array of complex conditions.

(http://www.autoadmit.com/thread.php?thread_id=5531772&forum_id=2Reputation#47686705)