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Matt Lauer, Al Roker

TODAY

Matt Lauer and Al Roker are doing their part for men's health.

The Today show host and weatherman did as promised Thursday morning: They paid a visit to New York City's Lenox Hill Hospital where they underwent a prostate exam live on the air, courtesy of Lauer's doctor of five years, David Samadi, the hospital's chairman of urology and chief of robotic surgery.

Luckily, the trio spared viewers a more detailed peek at the process as the routine check looking for signs of prostate cancer was conducted off-camera in another room. In fact, Lauer's exam took all of 34 seconds to complete and "didn't hurt at all."

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"Is it the best 34 seconds of your life? Probably not," admitted Matt. "But if in 34 seconds a guy like this can detect something that might save your life, what are we talkin' about, it's worth it."

Quipped his doc: "What he doesn't know is that I had to lose 5 pounds in order to make my finger a little smaller."

That earned a hearty laugh all around, including from cohosts Savannah Guthrie and Natalie Morales watching back in the Today studio.

"But the bottom line is your prostate is healthy. It's a normal size. It's smooth. I didn't feel any nodules which is a big concern, so you're perfect," observed Samadi.

As for Al, his exam lasted just as long.

"It's not comfortable but it's certainly, obviously doable," Roker said.

Samadi stressed that getting either an annual rectal exam or a prostate specific antigen test (PSA test) which measures a protein that is produced by the prostate is an absolute necessity for men starting at 40 in order to develop a baseline.

Had the physician seen something irregular, he detailed the type of action he would've taken with Lauer.

"We would be treating him if his PSA was higher or if there was anything abnormal with the exam, I may give him some antibiotics, repeat the PSA and then go into biopsy," he added. "If we feel some nodule or hardness [with the prostate]…we'd need to look into it."

Thursday's live segment was part of Today's No-Shave November, an initiative to raise awareness for men's health issues.

(E! and NBC are part of the NBCUniversal family.)