Stealing Fire: How Silicon Valley, the Navy SEALs, and Maverick Scientists Are Revolutionizing the Way We Live and Work

by Steven Kotler

For every 60 million tablets of MDMA consumed, Nutt found 10,000 adverse events, or one for every 6,000 pills popped. He then compared that number to the 1-in-350 tally for horseback riding and published the results.