Either way trial participants often get cutting-edge treatment.

Muscle biopsies showed that the dystrophin protein was restored in seven of the trial participants.

There were no limits on what trial participants could eat but most tended to consume fewer calories than they had done previously.

Among 15,000 trial participants who received the vaccine, rather than a placebo, it was 100 per cent effective in preventing severe disease.

The book gives colorful, interesting facts on the trial participants; provides insights into various claims, disputes, marriage scandals; etc.