Category Archives: genetics

July 18

Operation PTSD

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The full-scale invasion of Ukraine that started in 2021 has had devastating impacts on the daily lives of those in Ukraine, and this includes a dramatic increase in those suffering from PTSD in this war-torn country. Although 2021 was not the beginning of the tensions between Russia and Ukraine (1), as the war rages on, […]

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June 27

Calico Cuties: Why These Colorful Cats Are (Almost) Always Female

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Calico cats are not just ordinary felines. They are legendary and revered in many cultures as symbols of luck and good fortune. In Japan, the Maneki-Neko (or “beckoning-cat”) figures, adorned with the white orange and black calico colors, are believed to bring prosperity to their owners. In the US, they are affectionately known as “money […]

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December 15

Cell Cycle Rules Aren’t for Fools

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Our great gamble as individuals composed of trillions of cells is that every cell is going to get along together and play by the rules. Our gut cells wake up and slay the nutrient uptake game every day, our retina cells are on top of processing incoming light, and even the humble cells in our […]

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June 23

A Genetic Identity Crisis: Mosaicism in the Brain

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We carry with us every day trillions of copies of one of the best stories ever written: the human genome. Carefully drafted and edited over 4 billion years, our genome contains all the information necessary, and then some, for making a human being from scratch. Often we think of this recipe book as a monolith: […]

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September 10

Autism Spectrum Disorders; is all about genetics

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The basics of ASD genetics Autism Spectrum Disorders (ASD) are a group of neurodevelopmental disorders characterized by repetitive behaviors, language and communication deficits, and restricted interests. ASD has a prevalence of 2% of the population, and is usually diagnosed before age 3. One important aspect of ASD is that it shares a wide number of […]

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January 30

Love in the Time of PCR

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(Image credit: CellPress)  Renowned geneticist George Church caused a stir last month with his idea for a brand new dating app, in which users submit their DNA for sequencing as a critical part of their profile.  Church’s app, “digiD8”, doesn’t connect tech-savvy singles who love all-things-90’s, as the name implies, but rather matches users based […]

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January 09

Can we inherit family trauma?

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The epigenetics behind “generational trauma” [En español] The 23 and Me craze has officially reached my family. Both of my parents were born in Poland so the results weren’t a complete surprise, but as we watched the site track generations of family history from a single spit sample, new questions came up. When my sisters […]

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December 19

Genomic Imprinting: A Genetic Custody Dispute for Your Brain

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During this holiday season, we would do well to reflect on what we’ve inherited from our parents. You might have your mother’s sense of humor but your father’s sense of direction. You and your Ma might share the same tastes in music, but you prefer your Pa’s tastes for ice cream. Although heavily influenced by […]

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September 19

How long have we been sleeping?

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“J’ai peur du sommeil comme on a peur d’un grand trou, Tout plein de vague horreur…” In his phenomenal ‘Les fleurs du mal’ (‘Flowers of Evil’), Baudelaire promenades through the darkness of the night and with his characteristic gloomy brush, paints sleep as ‘a great hole’ that he fears. This myth surrounding sleep as a […]

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August 22

Is evolution the missing link to understanding mental health?

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The human brain has been shaped over hundreds of thousands of years, with evolution selecting for traits that helped our species survive and thrive. So why do we still have so many genes that make us struggle? Why did our remarkable cognitive capacity come with such a susceptibility to disorder?

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