Manila, April 13 -- President Ferdinand R. Marcos Jr. on Monday brushed off persistent rumors about his health, even demonstrating his physical fitness in front of the media to dispel what he described as "lies" circulating on social media.

Before delivering a statement, the President performed jumping jacks and later took a brisk walk, breaking into a jog, from the New Executive Building back to Malacanang Palace.

"Kalokohan na 'yan... tiniyak ko na makita ninyo na hindi totoo 'yung mga sinasabi nila, na kasinungalingan 'yan (That's nonsense... I wanted you to see that what they are saying is not true, those are lies)," Marcos said.

He also challenged those spreading claims about his health.

"And I challenge anyone who are saying tha...