1.   Every drug has multiple side effects, and the danger is compounded when drugs interact with one another.

2.   Know how drugs interact.

3.   Medicine and pharmaceutical science have a good understanding of which drugs interact with each other and which foods interfere with the actions of drugs.

4.   Over the last half century, researchers have studied that and other chance findings, divining how the drugs interacted with the brain to produce their effects.

5.   The drugs could adversely interact with another medication the person is taking.

6.   The drug also interacts with a type of antidepressant, known as monoamine oxidase inhibitors, or MAOIs, to cause life-threatening cardiovascular problems.

7.   XenoTech will use the liver samples to test how drugs being developed by other companies interact with other drugs when they enter the human body.