Republican presidential candidate Donald Trump is in near-perfect physical condition according to a letter written by his physician posted on the GOP front-runner’s website.

The letter, written by Trump’s long-time physician Harold Bernstein, claims Trump has “no significant medical problems.”

“Over the past twelve months, he has lost at least fifteen pounds,” the letter reads. “Mr. Trump takes 81 mg of aspirin daily and a low dose of statin. His PSA test score is 0.15 (very low). His physical strength and stamina are extraordinary.”

One of Trump’s go-to attack lines against his fellow presidential foes is they lack stamina or they are too low energy.

“People have been impressed by my stamina, but to me it has been easy because I am truly doing something that I love. Our country will soon be better and stronger than ever before,” Trump says in a statement.

Trump regularly criticizes both Jeb Bush and Ben Carson for being low-energy individuals. In November, Trump said Democratic presidential candidate Hillary Clinton lacks the stamina to be president.

“Hillary is a person who doesn’t have the strength or the stamina, in my opinion, to be president. She doesn’t have strength or stamina. She’s not a strong enough person to be president,” Trump said.

In his letter, Bornstein says he has been Trump’s personal physician since 1980, and prior to that Bornstein’s father served that role. During his time, Bornstein says Trump has had no significant medical problems.

“His cardiovascular strength is excellent. He has no history of ever using alcohol or tobacco products,” Bornstein writes.

“If elected, Mr. Trump, I can state unequivocally, will be the healthiest individual ever elected to the presidency.”

Clinton, on the other hand, is facing “mounting health issues,” Ed Klein wrote in his recently released book “Unlikeable: The Problem With Hillary.”

The 67-year-old Democrat is often plagued by “blinding headaches” and experienced a series of strokes, Klein writes. In 2012, Clinton experienced a life-threatening blood clot in her brain and the ordeal left her “constantly worried” about her health.

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