Obama's Gray Hair from Genetics, Not Stress

President Obama dispelled the popular notion that his hair has turned grey due to the stress of the presidency in a recent interview with ABC's Jake Tapper.

Obama told Tapper that despite misconceptions about why he is graying that it is natural from his mother's side of the family.

My grandfather was gray by the time he was 29, Obama said. So I figured it was going to come. It just happened to coincide with the presidency.

Obama also denied theories that he is dyeing his hair, saying that it just depends on how the light hits his hair.

The full transcript of the discussion:

Tapper: You're getting gray, man.

Obama: I know. I know.

Tapper: And when you get haircuts, it goes away.

Obama: Exactly and then it comes in. That's why when people think, somehow, that I am dyeing my hair. It depends on where the lights are hitting it. Sometimes it shows up. Sometimes it doesn't.

Tapper: I don't know if it's some sort of conspiracy, but it's looking pretty grayer.

Obama: I know. My grandfather was gray by the time he was 29, so I actually ...

Tapper: This is your mom's dad?

Obama: This is my mom's dad. So I figured it was going to come. It just happened to coincide with the presidency.