Groups argue that the gloves themselves are dangerous to health. Latex gloves can cause allergic reactions and vinyl gloves contain a suspect carcinogen.
"The reason that workers wear gloves is that they don't wash their hands as much as they should," said Denise Korniewicz, a professor at the University of Miami. "If you walk into any fast-food restaurant and observe people, they use the cash register, they wipe their nose and then they make your sandwich." "The problem is that a worker may never change the gloves or clean them, thinking that the gloves themselves are sufficient protection,".
A study published in the International Journal of Hygiene and Environmental Health in 2005 reported that more than a third of workers said they did not always change their gloves between touching raw meat or poultry and ready-to-eat food.
"I'd be thrilled to see fewer gloves, more washing," ... Health experts agree that bare-hand contact with ready-to-eat food and regular washing would be more effective than glove use. But it is safe only if employee hand-washing is carefully monitored.
Full NY-Times article linked here