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Let's Play Another Round of 'Blame it on Your Genes'

"Predilections for promiscuity" can be found in one's DNA, LiveScience reports. In a new study published in PLoS One, researchers at Binghamton University in New York, along with their collaborators, show that people with a particular polymorphism of the dopamine receptor gene DRD4 have a higher tendency towards infidelity and "one-night stands," which they found by analyzing DNA samples and detailed sexual histories from 181 individuals. DRD4 has also been linked to other thrill-seeking activities, from addictions to gambling and alcohol to a heightened appreciation for horror movies, LiveScience adds. But the Binghamton-led team was quick to add that the gene variant cannot serve as an excuse for infidelity. "These relationships are associative, which means that not everyone with this genotype will have one-night stands or commit infidelity," study coauthor Justin Garcia told LiveScience.

The Scan

UCLA Team Reports Cost-Effective Liquid Biopsy Approach for Cancer Detection

The researchers report in Nature Communications that their liquid biopsy approach has high specificity in detecting all- and early-stage cancers.

Machine Learning Improves Diagnostic Accuracy of Breast Cancer MRI, Study Shows

Combining machine learning with radiologists' interpretations further increased the diagnostic accuracy of MRIs for breast cancer, a Science Translational Medicine paper finds.

Genome Damage in Neurons Triggers Alzheimer's-Linked Inflammation

Neurons harboring increased DNA double-strand breaks activate microglia to lead to neuroinflammation like that seen in Alzheimer's disease, a new Science Advances study finds.

Long COVID-19 Susceptibility Clues Contained in Blood Plasma Proteome

A longitudinal study in eBioMedicine found weeks-long blood plasma proteome shifts after SARS-CoV-2 infection, along with proteomic signatures that appeared to coincide with long Covid risk.