Have Tech Titans Like Elon Musk and Jeff Bezos Tapped the Fountain of Youth?

How do these guys look so young and buff?

Have these major tech billionaires discovered the fountain of youth?

Elon Musk is the visionary behind SpaceX as well as the Tesla and 20 years ago he was skinny and had a receding hairline. But now, at 46, he has a full head of hair and bulging muscles. 

Amazon founder Jeff Bezos made headlines recently as he was photographed looking buff in a tight shirt that displayed his arms that were later described as "assault weapons."

Bezos says he started hitting the gym hard back in 2013. He also does his best to get eight hours of sleep a night.

His stunning physique at age 54 sparked a buzz on social media, but back in 1999, Bezos looked downright scrawny.  

PayPal co-founder Peter Thiel sports a full head of hair and an impressive physique for age 50.

At 30, he looked a lot leaner and had a receding hairline. Today, he has a full head of hair. 

In 2014, Thiel revealed to Bloomberg that one of his methods for looking visibly younger involves taking human growth hormone, commonly known as HGH. 

Thiel also credits his youthful appearance to cutting sugar from his diet.

Dermatologist Dr. Ava Shamban told Inside Edition that the men today are doing much more to take care of themselves. 

"Men are really coming in to have different procedures done that are non-invasive and look very natural," she added. 

But for those turning to HGH, she has a warning. 

"Human growth hormone has been used for many years to transfer the body into a more youthful appearance," Dr. Shamban said. “The problem is we don't know what it’s doing to the cells. It could be stimulating cells to turn into cancer cells." 

Style expert Alison Deyette says that when you’re a billionaire, it's easy to go from geek to chic.

"They are all rocking it!" she said. "I think that all comes with having the money. They can have a chef, they can have a personal trainer," she said. 

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