There was also speculation that one of the tests may have used reactor-grade plutonium.
Johnny Damon, one of Giambi's teammates, was irked that the results of tests may have been disclosed.
At colleges, however, the fear is that tests may have become too powerful as a tool for admissions.
A small decline in scores on cognitive tests may have no bearing on whether patients will progress to serious disease.
Billions of pounds have been wiped off the value of global carmakers amid growing concerns that emissions tests may have been rigged across the industry.
It has been estimated, in research hotly contested by the DWP, that "fit for work" tests may have resulted in 590 extra suicides.
Tests may have value as a tool in education, but they are a very poor, even destructive measure of a person.
Unlike Regents examinations, which students must pass in order to graduate, these new tests may have no real impact on the students who take them.
By the end of last year, it has been estimated - in research hotly contested by the DWP - that "fit for work" tests may have resulted in 590 extra suicides.
The rigging of emissions tests may have added nearly a million tonnes of air pollution by VW cars annually – roughly the same as the UK's combined emissions for all power stations, vehicles, industry and agriculture.
One of the Russian athletes whose positive doping tests may have been covered up, the documentary suggests, is the runner Mariya Savinova, who won gold in the women's 800m at London 2012.
