United Kingdom, June 26 -- Former US President Barack Obama has given an update on his health now he's in his 60s.

The ex-politician - who will turn 65 in August - has revealed he's in "good shape" but he's constantly worried about injuring himself. Obama regularly goes out running but he's extra careful when he's playing basketball.

During an interview with People alongside his wife, former First Lady Michelle Obama, he said: "I feel good, I mean look, I don't look as good as her."

Michelle then teased her husband about his refusal to dye his hair now he's going grey, saying: "Of course you do. It's because you don't dye your hair. You could have made the choice."

Obama then explained: "Yeah, it's too much trouble... but I feel great...