Bangladesh, May 25 -- Former US President Joe Biden has made his first public appearance since disclosing his diagnosis of stage 4 prostate cancer, in a moment that has stirred public sympathy, medical scrutiny, and political controversy. At 82, Biden appeared in high spirits on May 23 at Bradley International Airport in Connecticut, attending his grandsons graduation. Accompanied by former First Lady Jill Biden, the former president told reporters he was “feeling great” despite the life-threatening diagnosis.

His comments come just days after his office confirmed on May 18 that Biden is battling hormone-sensitive prostate cancer that has metastasized to his bones-a condition known for its aggressiveness and difficulty to tre...