Lung cancer pioneewas on chemical firms' payrolls.

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A renowned British scientist who established that
smoking causes lung cancer was on the payroll of
a chemical company while investigating cancer risks.
The late Sir Richard Doll was said to have received a
consultancy fee of $1,500 a day from Monsanto,
which is now asociated with GM crops.
He also received payments from the Chemical
Manufacturers Association and the companies
Dow Chemicals and ICI to assess the potential
dangers of vinyl chloride,used in plastics.
He largely cleared the chemical industry of having
links with cancer,a conclusion which goes against
the World Health Organisation's assessment.
Source : The Independent quoting the Guardian.