Register now for unlimited free access!

A valid email address. All emails from the system will be sent to this address. The email address is not made public and will only be used if you wish to receive a new password or wish to receive certain news or notifications by email.
Several special characters are allowed, including space, period (.), hyphen (-), apostrophe ('), underscore (_), and the @ sign.
Provide a password for the new account in both fields.
Zipcode
Back to top

placebo

In practice or in clinical research a preparation containing no active ingredient is sometimes administered. In research this helps distinguish the effect of a drug under investigation from the effect expected by subject or researcher.
includes:

This term appears in

Movies