Learn more about medical cannabis. Find out the five common symptoms that medical cannabis helps to relieve. See more »

If you know an addict who needs help, a family intervention might be their only hope. Get the tips you need to hold a successful one. See more »

Are major cigarette companies secretly increasing cigarettes' nicotine content? Check out the evidence for an increase in nicotine levels in cigarettes in the last 10 years. See more »

People often joke about the supposed benefits of "medical" marijuana, but the controversial plant has a surprisingly long history of use for medicinal purposes. We'll get a whiff of cannabis' medical history in this article. See more »

Nicotine based drugs are currently under development by pharmaceutical companies. Find out which ailments could be treated with nicotine based drugs. See more »

You know how some people try to commit suicide by enclosing themselves in a garage with a running vehicle? When you smoke, you're filling your blood with that same deadly chemical -- carbon monoxide. See more »

In Britain, illegal drugs are ranked as A, B, or C. Class A is supposed to be the most harmful, and Class C is supposed to be the least harmful. A recent study shows that the rankings may be all mixed up. See more »

The medical marijuana industry is growing into the mainstream, with millions of patients now eligible to use it to relieve the symptoms of their neurodegenerative disorders and chronic diseases. How can you cultivate it correctly and legally? See more »

Although California led the way on legalizing medicinal marijuana, it isn't the only state that permits patients to purchase cannabis cures for ails. Think you know the ins and outs of America's other green industry? Take this medical marijuana quiz and find out. See more »

It wakes you up, gets you going, and may even cure your headache. But how much do you really know about caffeine? See more »