One such idea is colloidal silver, which works but isn't patentable for human consumption because it isn't FDA-approved.

FORBES: What's Next?

Perhaps someday colloidal silver will be widely accepted along with other nontraditional methods of treatment once considered quackery, such as acupuncture.

FORBES: What's Next?

Colloidal silver is a solution of submicroscopic particles of pure silver suspended in water by an electric charge on each particle.

FORBES: What's Next?

This would be awfully difficult for naturopaths, whose practices include homeopathy, colloidal silver treatments, and chelation therapy, to name but a few.

FORBES: Naturopathic shenanigans in the Maryland legislature