Bring it on. Alpha Centauri isn’t going to keep on getting closer forever. I want to be Captain of a starship. That’s not going to work out unless I can live a very long time.

I don't feel strongly about either side of this topic, but I will say that my wife has been wearing these 'shoes' for about 3 years. She wears them anytime she does anything active: running, lifting, rec sports, etc. And she does this stuff every day. Before wearing the shoes she had stress fractures and pain in her…