In clinical trials these substances have killed germs and showed potential in preventing cancer and fighting heart disease.
We have already learned a lot from regulating other substances, such as alcohol and tobacco.
The dangers of Internet-transmitted substance abuse are not limited to Web sites selling the substances.
Unfortunately, with the widespread misuse of controlled substances and diversion risks, we're often taken advantage of.
The fact that heroin is often adulterated with other substances can also cause overdose.
The facility has been operating under the constitutional exemption to Canada's Controlled Drugs and Substances Act.
There are no hard data on how prevalent such substances are, or how harmful.
There are no stories about Verlander going on wild drinking sprees or indulging in banned substances.
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Generally, people naturally dislike tastes of foods that are molding or contain toxic substances.
Legalization will only make harmful substances cheaper, easier to obtain, and more socially acceptable to use.
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Substances that cannot cross this barrier are unlikely to make effective treatments for a brain disease.
The money comes from, among other sources, illicit trade in tobacco and controlled substances.
The American has accepted testing positive but claims he never knowingly used banned substances.
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Erosion, caused by acidic substances, is a wearing away of the enamel coating of teeth.
They're filled with hundreds of gallons of unknown substances and are increasingly difficult to fish out.
They are not to be confused with diamond-like substances such as cubic zirconia and moissanite.
Risk factors include smoking, alcohol, human papillomavirus infection, sun exposure and chewing tobacco or similar substances.
In many instances, the report said, the substances are not yet approved for human use.
Spokesman Tony Whitehead said although unknown, similar substances have been noted in historical records.
It is one of the most lethal substances known, killing by causing acute muscular paralysis.
Toxin analysis has improved but sometimes it is only luck that reveals ingeniously administered substances.
Virtually every professional sport is coming under greater scrutiny for the use of banned substances.
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Those materials vary, and may utilize sand, nitrogen, carbon dioxide, air and other substances.
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Employers are expected to control exposures to hazardous substances and report any cases of occupational asthma.
Like other mysteriously alluring substances, chocolate has from time to time been regarded as an aphrodisiac.
As different federations have different banned substances the testing procedure also varies between the athletes.
Problematic drug misuse is defined as the use of opiates and substances like methadone.
The mind-altering substances that moralists worried about a decade ago have fallen from favour.
Unlike humans, thankfully, the robot won't be (easily) killed by radiation or toxic substances.
These substances are behind Carraguard in the development pipeline, though both have undergone small-scale trials.
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