Last year, questions regarding president Donald Trump’s physical health started swirling after photographs showed a large, greenish bruise appearing on his right hand. Photos of Trump at this year’s World Economic Forum in Switzerland show an even gnarlier darkish bruise on his left hand. Beyond questions surrounding Trump’s physical health, experts have long speculated about his cognitive health as well. Former White House attorney Ty Cobb speculated this week that there has been a “significant decline” in his mental faculties. “But I think the dementia and the cognitive decline are, you know, palpable, as do many experts, including many physicians.”More on Trump’s health: Doctor Says Trump Appears to Be Showing Signs of a Stroke