> Sell sterilized tape worms for weight loss. It seems like a great way to lose weight but I'd be freaked out by the though of them reproducing inside of me. If a tape worm harmlessly died ...

The tapeworms might not cooperate:

http://gizmodo.com/5910770/brain-tapeworms-are-real-and-they...

http://www.inquisitr.com/240780/brain-tapeworms-are-a-terrif...

I personally don't want tapeworms in my brain -- there's already enough junk living up there.