Article continues below advertisementDonald Trump's latest appearance has once again stirred up speculation about his health.The 79-year-old president, who seemed short of breath in a recent interview, was photographed at an event where it wasn't his usual navy suit and maroon tie turning heads, but his hands that set off a frenzy online.Article continues below advertisementIn the viral snapshot, one hand appeared unusually pale while the other looked noticeably flushed. The odd contrast quickly set off waves of chatter on social media.