Please click the button below to go to our secure web site in order to log onto the Update Profile page. Once you log in, you will be able to update certain parts of your profile. You must first be registered in order to update your information (click here if you have not registered before). While the registration process is a one time step, you can update your information as often as necessary. There is also new, optional demographic information to fill out that might make you eligible for more studies.