Following the conclusion of the Human Genome Project, and the 2nd Human Genome project, it was just a matter of time and funding before human cloning not only became possible, but a profitable
In ancient China, women bind their feet for cosmetic reasons, resulting in them not able to walk without help and walking in a shuffling gait.
Possibly this can be modified such that people do it for less stupid reasons.
Disclaimer: This is NOT a racist remark since I'm Chinese myself and hence entitled to freely judge Chinese customs. NOT sexist either since I'm female as well.