When Maggy was 54 years old, she discovered that her father wasn’t who she thought he was.

What’s the difference between a first cousin, a first cousin, once-removed and a second cousin?

You order a $99 home DNA test for some holiday pleasure. It’s a bit of fun. Right? Until it turns your life upside down.

There are four other types of sibling relationships with variations of DNA sharing.

There are a million ways to create a family medical history, and countless number of reasons to do it. Luckily, there are online resources to help you.

MTHFR presents a challenge, but that means we have an opportunity to educate and address the underlying reasons a person sought out MTHFR results in the first place.

The news of just how many people receive surprises about their family matching from DNA tests is spreading.

Genetic counseling is a broad term, and it means many different things. Many of the episodes of these pods allow a window into the unique aspects of the work of genetic counselors.

Sometimes I fear the media attention of direct-to-consumer test in recent years comes at the expense of the most vulnerable in society: children and adults living with rare disease.

Sesquizygotic twins have been reported in the literature before, but this is reportedly the first case of it being detected during a pregnancy.

Heather and Jessica are sisters who have discovered that they have a half-sister they never knew about.

Heart disease and why DNA matters.

February is Heart Month, which makes it a perfect time to discuss heart health and how genetic counseling and DNA testing might help you understand your chance of heart disease.

The recorded re-telling of a painful and emotional experience of uncovering a DNA surprise is helpful for others to read. It supports and validates others who are going through the same thing, and it provides insight for the friends, family, and professionals who will be there alongside a person on their journey following the unexpected discovery.

If you are a parent of a child who was conceived with a donor egg or sperm and they do not yet know it, the time to be proactive is now.

In this piece which covers the topic of support after unexpected DNA discoveries, I shared my thoughts on the topic and touched briefly on the role grief and support play in these experiences.

A story was posted on Reddit by someone claiming to have discovered he and his girlfriend are half-siblings, the discovery coming after both opted in to the DNA Relatives feature for their 23andMe test.

Ancestry tests work like paternity testing, in that they are able to detect whether or not you are matching to close biological family correctly or not. The results can be confusing, especially to someone not familiar with the way ancestry test results are displayed.

Pharmacogenomics is an area of genetics focused on understanding how our unique genetic code determines how we might respond to certain medications.

I recently spoke with Sonya Collins who writes for WebMD Magazine. I shared my thoughts and advice on at home DNA tests based on years of both personal and professional experience.