Lyles urged his supporters on social media not to let life's challenges define them.
“I have asthma, allergies, dyslexia, ADD, anxiety, and depression,” he wrote on X Sunday night
“But what you have does not define what you can become.
Lyles beat Jamaica's Kishane Thompson by.005 seconds in a photo finish at 9.784 seconds. Lyles had to lean to cross the finish line.
We were waiting for the names and I walked up to Thompson and said to the reporters....
....."I think you guessed it, big guy." The competition helped me lose weight.
Lyles became the first American to win Olympic gold in the race since 2004 when Justin Gatlin won.
If he makes the 200-meter finals on Wednesday, he might win again.