Most human illness, including 85% of cancers, results from the environment acting on genes.
But never had he been begged to end someone's life that was not already eaten away by human illness.
They state that the likelihood of human illness is very low.
For practical purposes, a vet can handle a lot of human illness.
Beyond its relevance to the basic understanding of human illness, the finding will also have immediate practical benefits.
It has been estimated that up to 80% of human illness in the world can be attributed to contaminated water.
A13 British scientists linked mad cow disease and a human illness.
We were also able to show that costs sustained out of human illness have to be taken into account in the figures.
"When you multiply it all together, we think the likelihood of human illness is very low."
As people look for ways to save the planet, it's important to make sure the global cure doesn't lead to human illness.