That isn't what it says.
"The enumeration in the Constitution, of certain rights, shall not be construed to deny or disparage others retained by the people."
Find a single authority or court decision that holds that illicit drug use is an unemumerated right under the Ninth Amendment.
Just one.
Your criterion for deciding constitutionality is invalid, as even you realize when the subject is Roe v Wade.
That isn't what it says.
"The enumeration in the Constitution, of certain rights, shall not be construed to deny or disparage others retained by the people."
That is exactly what the 9th says. - Rights, emumerated or not, are retained by the people. - Your flat denial is ludicrous roscoe.
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Find a single authority or court decision that holds that illicit drug use is an unemumerated right under the Ninth Amendment. Just one. - roscoe -
Find a 'cite', just one, that claims that any government has the power to prohibit substances that I can use to cure my ills.
- Granted, you will find many cites that claim the power to ~regulate~ such substances for the overall health & safety of society. This is not the issue.
- 'Controling' substances by government decree [criminal prohibition] is the issue in a free republic.