Credential mills flourish because few people take the time to understand how the numerous and varied credentials from a state driver’s license, school diploma, and whatever title, such as CPR certification, are legally and ethically bestowed upon individuals.
One in every five American workers will be over the age of 65 by 2015, and one in four Americans will be over 55 by 2020, according to NIOSH’s webpage “Healthy Aging at Work” established in March 2014.
FYI - Another "health" disadvantage: OSHA inspections used to count 1:1; therefore, the agency conducted more safety inspections to save time (22 hrs safety inspection vs 34 hrs. health inspection). OSHA's 2014 FY budget propose 31,400 safety inspections vs 7,850 health inspections.