Huntington's disease is caused by a single mutation in someone's DNA.

A normal protein, huntingtin, becomes warped and toxic. Over time, the toxic protein builds up, killing a person's brain cells and slowly robbing them of cognitive and motor control.

It affects about 30,000 Americans, often shows up later in life, and is fatal. Because it's a genetic disease, it can be passed down through families. It's cruel, unfair, and nobody deserves it.

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Family

How one man’s DNA results influenced his work as a culinary historian and a food writer.

What do food and family heritage have in common? Well, for Michael Twitty, a lot.

What did you have for dinner last night?

Do you think your great-grandmother — or great-great-grandmother — ate the same thing for dinner? Chances are, you probably haven't given much thought to why your meal is what it is — or whether your great-grandparents ever ate the same thing.

All images via Michael Twitty, used with permission.

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AncestryDNA

When Shayna Watson decided to get an AncestryDNA test to reveal her ancestry on her 30th birthday, she had a certain idea of what the results would look like.

"I expected to see African, I expected to see a little bit of European, just based on colonization, and I definitely expected to see at least a little Native American," she says.

Watson had grown up with stories of her partial Native American heritage. In fact, her father had proudly shown her photographs of her grandmother on a Pequot reservation.  

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AncestryDNA