Answer:
Because people just do that for no reason
Explanation:
An overweight person is highly susceptible to disorders like heart problems or stroke, high blood pressure, diabetes even some breathing problems such as sleep apnea and asthma
The answer is D Gonorrhea
Regularly scheduled exercise can do all of those depending on what /how you do it and who you are.
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In front of windows or even outside try staying away from open doors as well
Hope this helps, good luck ;)