Did you know that in the mid 1970s, California's "state rock" was evaluated and researchers found out that it was a potential cancer cause?

And that was all linked back to asbestos exposure. This material, once praised as the 'wonder fiber', was the reason why many workers fell sick and got killed, because they inhaled the microscopic toxic dust in asbestos plants, mines, shipyards, etc. during the course of their regular work.
The EPA (Environmental Protection Agency) conducted studies and whe...