Valkee Human Charger

2007 

This innovation from Finland claimed to relieve jet lag, migraines, and combat depression by sending light rays into your brain through your ears. Yes, shining light in your ears really does all that. A review of Valkee’s dubious “research” showed no support for the product’s claims at all, and labeled its marketing as dishonest and misleading.  

Additional info:

The Guardian - The Valkee Human Charger: can 30 blind mice really be wrong?

Yle - Finnish 'ear light' firm Valkee files for bankruptcy

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