toxicity, definition of

Toxicity can be acute, subchronic, or chronic:

• Acute toxicity involves harmful effects in an organism through a single or short-term exposure.
• Subchronic toxicity is the ability of a toxic substance to cause effects for more than one year but less than the lifetime of the exposed organism.
• Chronic toxicity is the ability of a substance or mixture of substances to cause harmful effects over an extended period, usually upon repeated or continuous exposure, sometimes lasting for the entire life of the exposed organism.

• Food toxicity and how it effects you
  Foods we eat can contain health risks by toxic environment contamination where they are grown or processed. This article discusses the various issues around food toxicity and how to minimize health effects.

• Target is selling fidget spinners that contain toxic levels of lead
  If you're planning to gift a fidget spinner this holiday season, take heed - the US Public Interest Research Group has found dangerously high levels of lead in some spinners sold at Target...
• New map reveals the world's most toxic countries
  Just about every country in the world grapples with pollution, no matter how rich or poor they are. But you may not be aware of just how toxic your locale is. The Eco Experts from the United Kingdom recently cross-referenced data to rank the countries...
• Microbes in the Gulf May Eat More Gas Than Previously Thought
  Six months ago — just before the Deepwater Horizon Oil Spill — a team of researchers studied the methane consuming microbes that live deep in the waters of the Gulf of Mexico and found that they consume up to 100 times more gas than previously...
• EPA Demands BP Stop Using Toxic Dispersants, They Won’t Comply
  As we all know, the oil spill in the Gulf of Mexico has not yet been contained and has finally reached the Gulf Coast shoreline. Last week, after some careful monitoring of the depths of the Gulf the Environmental Protection Agency (EPA) ordered BP to...
• Green Decontaminants Could Clean Up Terrorist Attacks
  There’s nothing remotely green about nerve gas, mustard gas, anthrax, and other nasty chemical agents that could be used in a terrorist attack. The cleanup process, on the other hand, doesn’t have to be completely unsustainable, according...
• The Color Green is Toxic to People, Contaminates Recycling
  Green is the color of nature, the environment and sustainability, but ironically the pigments used to create the color are not all that healthy or environmentally friendly...

Related Tags: pollution, health