Patrick Arnold, who invented 'the clear' steroid at the center of the BALCO drug scandal, dies at 59

Patrick Arnold, a chemist who invented the steroid known as “the clear” at the heart of a performance-enhancing drug scandal in the early 2000s, died in Guilford, Conn., on Tuesday at 59. His family said the cause of death is unknown.Arnold developed different kinds of steroids over his career. The most famous was the drug THG, a liquid administered under the tongue that went undetected in doping tests at the time and was distributed by BALCO, a California lab that worked with high-profile athletes.Advertisement