You <i>don&#x27;t</i> own your body enough to do whatever you want with it. Everything you do comes down to you controlling and manipulating your own body, and every law that exists is a means of restricting your ability to do just that.<p>If I genetically engineered myself to produce an STD that selectively mutated into a deadly virus when it comes into contact with certain groups of people selected by genetic markers, well... that&#x27;s not justifiable under the guise of &quot;owning my own body&quot; -- which is a vague concept anyway. I only own it insofar as everyone else allows me to control it. Ownership is negotiated, it is not assumed.