If ingested by animals, they accumulate in body tissues, and are passed on up the food chain.
It therefore gets absorbed by bones if ingested, rather than being excreted.
They can be toxic if ingested, inhaled or absorbed through the skin.
Depleted uranium gives off relatively low levels of radiation, but can be dangerous if ingested, inhaled as dust or if it enters the body through cuts or wounds.
The material gives off relatively low levels of radiation, but can be dangerous if ingested, inhaled in dust or if it enters the body through cuts or wounds.
If ingested, it causes nausea, vomiting and internal bleeding of the stomach and intestines, followed by failure of the liver, spleen and kidneys, and death by collapse of the circulatory system.
Chocolate's flavonols may help control coronary artery disease-- if ingested in primarily dark-chocolate formulations. (See "Sweet Temptations, " page 162.) As a topical spa service, there's no evidence that chocolate does anything at all, other than make you want to take a bite out of yourself.
Food-safety officials in the southern province of Guangdong on Wednesday released the results of tests that showed less than 5% of local rice supplies contained excessive levels of cadmium, a carcinogenic heavy metal that can wreak havoc on the kidneys and weaken bones if ingested in large quantities.
As little as 500 micrograms, the size of the head of a pin, can kill an adult if inhaled or ingested.
Since silver nanoparticles act in cleaning biological stains and smells by producing hydroxyl and other oxygen radicals, which are toxic in vivo, then if they were ingested the consequences could be dire.
Experts say the effects are only more serious if the substance is ingested, when it can cause damage to lungs and the digestive system, and could prove fatal in some cases.
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