Even better, restricting calories triggers certain mechanisms in the body to increase the production of nerve growth factors, which are beneficial to the brain.

They increased production of the vital nerve growth factor chemical and stopped inflammation, the studies showed.

This herbal supplement contains the super-nutrient silymarin, which is thought to help increase production of glutathione.

Low production hindered the possibility of acquiring capital equipment that could have served to increase production.

So the gas men are looking to increase production of oil and other liquids from their shale deposits.