When you exercise your muscles, there becomes tiny tears in them. (Hence, the pain.) After you have torn your muscles, they become stronger and stronger in preparation for future tearing. Without exercise of the muscles, they relax and your body essentially dubs them as not used, and they begin to become... I want to say soft, but I hope you get the idea. Originally, humans did not need to set aside time to exercise since everything we did included exercise; hunting, gathering, traveling, etc.

Once we had technology, we did not need to exercise to get food or work. We discovered that without regular exercise, the body that had evolved into a muscle-composed form would become extremely weak. As we just sit around, we accumulate lipids and extra triglycerides and a whole bunch of other health issues that negatively impacted our hearts, the main working muscle in our bodies. In comes "exercise' (jogging, sports, skiing, etc.), which we do to compensate for this.

Basically, our bodies have been completely designed for the exercise we have running and hunting for eons. It isn't as simple as just giving up on all of it. Our brains would collapse (metaphorically, though possibly realistically) under the dramatic change. Without exercise, some people even develop cancer that is contracted simply for being sedentary for a long time.

Have a nice day (and remember 45 minutes of exercise!).

thanks! that sheds light on the topic. btw for soft, atrophied you mean? haha the last bit. also ppl can get type 2 diabetes

Happy 2008! My name is Dana for those of you who don't know, and I obviously love to give advice, because if I didn't, I wouldn't be here. I will pick at anyone who doesn't bother to capitalize their "I"'s or the beginnings of sentences. Proper grammar and spelling is very important to me. bcuz it Just loooks soooo sloppie when u type lyke this. So a word to the wise, and for the majority of you that it doesn't apply to, think about it, and watch yourself. Second of all, I will never ever ever ever ever ever ever ever ever ever ever write something that is not true. So therefore I am always right. So stand down and accept it. (Note: that also means that my "opinions" are actual facts. At least the ones I bother to write.)

Never ask me anything about how fat you are or love life. Cliched, I know, but I am heartless when it comes to the truth. If you don't know what to do with your cheating boyfriend that you still love, go ask someone else since I could not care less. Seriously.

Have a nice day!
Love,
missbananafontana


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WARNING:
My answers will be based on a preppy lifestyle. I am the clean, preppy sort, like the person who looks clean and classy and doesn't really notice anyone who isn't, regardless that some weirdos think that preppy people hate them. Also, if you wonder about the corrections on the answers I give, no worries; they're just simple corrections to those who don't know where to put a period, or that they have to capitalize the beginnings of sentences. Please don't be offended.

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