【VOA慢速听力】Researchers Shocked at 'Pain Gap' Between R

From VOA Learning English, this is the Health & Lifestyle report.A new study on pain management around the world has shocked researchers.The study found that many people in poor and middle-income countries suffer unimaginable pain without any help. They lack even the cheapest painkillers to manage severe pain.The results of this study has led to action. Researchers now want to find ways to help the millions of people who suffer needlessly.Felicia Knaul is one of the researchers involved in the study. She is a professor at the University of Miami's School of Medicine. She says that around 61 million people worldwide live and some die in great pain because of a lack of pain medicine and proper care.Knaul says she became interested in global pain management after her own surgery for breast cancer."I woke up from a mastectomy and I remember the horror of the pain, of not being ………………………………