Genetic Test Scores Predicting Intelligence Are Not the New Eugenics

Genetic Test Scores Predicting Intelligence Are Not the New Eugenics

A thinking person.

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Paige Harden
Dr. Paige Harden is tenured professor of clinical psychology at the University of Texas at Austin, where she is the Principal Investigator of the Developmental Behavior Genetics lab and co-director of the Texas Twin Project. Dr. Harden has published over 100 scientific articles on genetic influences on complex human behavior, including child cognitive development, academic achievement, risk-taking, mental health, sexual activity, and childbearing. In 2017, she was honored with a prestigious national award from the American Psychological Association for her distinguished scientific contributions to the study of genetics and human individual differences. Dr. Harden’s research is supported by a Jacobs Foundation Early Career Research Fellowship, the Templeton Foundation, and the National Institutes of Health. She is a Public Voices Fellow with the Op-Ed Project.
This man spent over 70 years in an iron lung. What he was able to accomplish is amazing.

Paul Alexander spent more than 70 years confined to an iron lung after a polio infection left him paralyzed at age 6. Here, Alexander uses a mirror attached to the top of his iron lung to view his surroundings.

Allison Smith / The Guardian

It’s a sight we don’t normally see these days: A man lying prone in a big, metal tube with his head sticking out of one end. But it wasn’t so long ago that this sight was unfortunately much more common.

In the first half of the 20th century, tens of thousands of people each year were infected by polio—a highly contagious virus that attacks nerves in the spinal cord and brainstem. Many people survived polio, but a small percentage of people who did were left permanently paralyzed from the virus, requiring support to help them breathe. This support, known as an “iron lung,” manually pulled oxygen in and out of a person’s lungs by changing the pressure inside the machine.

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Sarah Watts

Sarah Watts is a health and science writer based in Chicago.

When doctors couldn’t stop her daughter’s seizures, this mom earned a PhD and found a treatment herself.

Savannah Salazar (left) and her mother, Tracy Dixon-Salazaar, who earned a PhD in neurobiology in the quest for a treatment of her daughter's seizure disorder.

LGS Foundation

Twenty-eight years ago, Tracy Dixon-Salazaar woke to the sound of her daughter, two-year-old Savannah, in the midst of a medical emergency.

“I entered [Savannah’s room] to see her tiny little body jerking about violently in her bed,” Tracy said in an interview. “I thought she was choking.” When she and her husband frantically called 911, the paramedic told them it was likely that Savannah had had a seizure—a term neither Tracy nor her husband had ever heard before.

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Sarah Watts

Sarah Watts is a health and science writer based in Chicago.