There is only one human right: the right to kill yourself. Everything else is a privilege that can be taken away for no reason.
And the first part is taking one weird historical 'moral' thing and applying it to the rest of our present laws. Sex was abhorrent to Victorians, so we still have an irrational hang up about it. For some reason in the early 20th century drugs joined the moral hit list so we still have an irrational hang up about that. I think it will eventually go the way of other bizarre 'moral' hangups such as feminism and homosexuality, but there is an element of self-harm to drugs that makes it more tricky.
And to be honest the recognition of the equality of women and same-sex relationships is far higher on the overall good for mankind than the right to use drugs, so as a race I think we're doing pretty well on our priorities so far.
One weird quirk of law doesn't mean at all that governments think they can freely trample over most human rights without serious opposition from the masses.
Are you seriously comparing putting people in jail to treating gay couples the same way we treat single people?
Homophobia is in our recent history, certainly in the UK, e.g. http://en.wikipedia.org/wiki/Section_28.
Section 28: local government can't promote homosexuality (repealed more than a decade ago). No criminal penalties for violations.
Perspective, please.
That would seem to be more easily taken away than, say, the right to think.
A long time ago, I asked on HN how to kill myself if I was, say, tied to a chair. The answer is to bite your tongue off (so you bleed to death), but I suppose that someone who has tied you to a chair can simply put a gag in your mouth (or cauterize off your tongue). Similarly, there are plenty of drugs that can be injected into you to stop you from thinking.
Anyway, with this in mind... I don't think I'll be able to ever sleep soundly again. Thanks! :)