The best aspect of my invisible friend was the help they gave me in writing books.

For many years my best friend was an invisible presence that would go everywhere with me.

Hello invisible friend, goodbye health.

There is a very strange and undetectable sickness in the modern population that responds to huge doses of vitamin B12.

If your doctor does not understand ‘Invisible Diseases’, you should change to a doctor that does.

Research is defining the invisible.

Most forms of energy are invisible.

Research is turning the unknown into reality.

The best friend that I ever had was invisible.