Hu Yingrui Yingrui itibaren Kaini Khola, Uttarakhand, Hindistan
Helpful in understanding the physiological and chemical changes that take place in your body during meditation practice. I found it comforting to know other people went through similar phases (like the one he called the "creepy crawly heebee jeebees) I was going through and that there was a medical and scientific reason and function behind some of it.