Some of the more intriguing meteorites are partly composed of carbon-based materials, including amino acids and sugars.

WSJ: Russia Meteor Was Largest in More Than a Century

The research is based on the belief that deficiencies in fatty acids can cause serious learning difficulties which are more to do with a child's metabolism than his or her neurological condition.

BBC: tablets

Havran says the company's claim of skin-supporting is based on a "general body of knowledge" about the value of essential fatty acids for skin.

WSJ: An Oil's Promises, From Cooking to Cosmetics