1.   Among workers who had inhaled or ingested radioactive dust, more than a quarter of cancer deaths were attributed to those workplace exposures.

2.   He is the man who once ingested volcano dust to clean out his system, the man who had all his fillings replaced with porcelain to cure his allergies.

3.   The long-term risk to anyone who inhales the burning depleted uranium or inhales or ingests the dust left behind is lung and bone cancer.

4.   The video says contaminated dust can be ingested if gloves are not worn, and the dust is not washed off before eating, drinking or using the latrine.

5.   Lead is a highly toxic element that can cause damage to the brain and nervous system and behavior and learning problems if its dust is ingested or inhaled.

6.   Lead, a highly toxic element, can cause damage to the brain and nervous system if its dust is ingested or inhaled.