Words to Know


Insome complementary therapy practices, qi is the vital energy or life force that keeps a person's spiritual, emotional, mental and physical health in balance.


A form of mind-body exercise and meditation that uses slow and precise body movements with controlled breathing and mental focusing to improve balance, flexibility, muscle strength and overall health. It has been studied for its benefits in pre-surgery therapy for women affected with breast cancer.


Surgical removal of the region of the breast (approximately one quarter) containing cancer.

quality assurance

Also called QA. In clinical trials, quality assurance ensures that all parts of the trial follow the law and the Good Clinical Practice guidelines.

quality of life

The overall enjoyment of life. Many clinical trials assess the effects of cancer and its treatment on the quality of life. These studies measure aspects of an individual's sense of well-being and ability to carry out various activities.