Headaches... stress, dehydration, getting bonked with a mallet, a tuuu-mah, talking to ones mother in law on the phone, etc.

Back pain... Poor spine alignment, bartending, lifting using improper lifting technique, getting bonked with a mallet, being hit by a car, hitting something with your car, sleeping on an aging futon, etc.

That wasn't exactly an 'article'... it was, simply, incorrect.

Fertilizers are made of simple compounds such as potassium phosphate, potassium nitrate, urea, etc... and no one holds patents on these simple, naturally occurring compounds that the plant NEEDS.