- New research has identified differences in how an alcohol-dependent brain responds to booze compared to brains without a dependency.
- Steroids being used as anti-aging treatment, but long-term effects still unknown.
- The ability to vividly remember the pain and suffering of your hangover may be better in those with a family history of dangerous drinking and alcohol abuse.
- Researchers recently discovered that the same brain system that controls sleeping and eating could also be used to control cocaine addicts' compulsion for the drug.
- Research shows that heroin and prescription opioids have similar effects, health risks, and are nearly identical on a molecular level.
- The 10 biggest myths about marijuana you should stop believing, including the myth that "marijuana is a gateway drug."
- A new study has shown that intelligent, high-performing students are more likely to drink alcohol and smoke pot regularly.
- A man and his daughter shared a rare genetic mutation that gave her anemia, but he was healthy — because he smoked cigarettes. Nicotine also benefits patients with schizophrenia and Parkinson's...
- New research has found that cocaine not only increases users sexual desire, but may also decrease patience, making users less likely to use a condom.
- Researchers have discovered that drug addiction could be written into someone’s DNA.
- Could medical marijuana save the lives of thousands in the United States?
- Why synthetic marijuana is a dangerous alternative to smoking weed.
Historically, addiction has been defined as physical and/or psychological dependence on psychoactive substances (for example alcohol, tobacco, heroin, caffeine and other drugs) which cross the blood-brain barrier once ingested, temporarily altering the chemical milieu of the brain.