India, April 22 -- Amid growing health concerns about him, President Donald Trump acknowledged that he is cautious when ascending a flight of stairs, in contrast to his predecessor Joe Biden.

During a phone interview on CNBC's Squawk Box on Tuesday, Trump said, "We had a guy that wasn't respected. We had a country that was laughed at."

Mocking the former President, he went on to say, "He couldn't walk up a flight of stairs," Trump remarked about the former president. "Forget about down. He couldn't walk up a flight."

According to the POTUS, Biden was "falling all over the place."

While speaking up for himself, Trump said, "I have to be careful because if I do trip or fall, it's got to be the biggest."

The President remarked that the ...