In January 1973, the U.S. Supreme Court ruled that anti-abortion laws represent an unconstitutional invasion of privacy.
Humans putting thought into the matter realized that you just don't become a sentient being, all of a sudden, at the moment of conception.
Planned Parenthood v. Casey overturned the Roe trimester framework in favour of a viability analysis, thereby allowing states to implement abortion restrictions.
A striking feature of medicine over the past few centuries has been our growing ability to bring people back from the "dead".
Like insulin pumps and cardiac pacemakers, the medical implants of the future will go where they are needed, on or inside the body.
How will it play out between religious forces and the rapidly secularizing societies of the countries where the technology will first be used?
It is difficult to examine society’s acceptance or rejection of key biotech developments without considering the role played by major religions.
At MIT’s Center for Neural Circuit Genetics, for example, scientists have modified memories in mice using an optogenetic interface.
A desirable option would be to use CRISPR gene editing to essentially cut out the unwanted gene. There are, however, many challenges ahead.
From any combination of a number of approaches, real-life human enhancement is looking ever more achievable.