This episode is brought to you by Vonage.

Your business needs more than an 800 number.

With Vonage Voice API, you can provide the call experience or customers expect and get the data your team needs.

From call analytics and virtual assistants to automatic speech recognition and text-to-speech in multiple languages.

Your customer service team can help more people in more places.

And, within App Voice, your customers can easily contact you the moment they have a question.

Take your calls to the next level with Vonage Voice API.

Learn more at Vonage.com

This time, understanding lifespan and why aging might be reversible.

Harvard researcher and biotech founder Dr. David Sinclair suggests in his New York Times best-selling book, Life Span, why we age and why we don't have to,

that aging does not have to be inevitable.

Well, I talked to David Sinclair and I started by asking the city-space audience a provocative question about Sinclair himself.

So, Dr. Sinclair, I thought I might start with something that one probably shouldn't do in polite company.

Okay, what is that?

I'm going to poll the audience.

How old do you think David Sinclair is?

29.

52.

52.

45.

48.

120.

...