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Tuesday, April 22, 2025

Health and Human Services secretary influences every aspect of America’s health

The secretary of the Department of Health and Human Services, or HHS, plays a significant role in every American’s access to health care and in the nation’s overall well-being.

Under the secretary’s leadership, the multiple agencies that constitute HHS oversee the financing of Medicare and Medicaid, conduct research to improve care quality, monitor health care fraud and abuse, and respond to pandemics.

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Artificial intelligence in biomedicine: A key to analyzing millions of individual cells

Our bodies are made up of around 75 billion cells. But what function does each individual cell perform and how greatly do a healthy person's cells differ from those of someone with a disease? To draw conclusions, enormous quantities of data must be analyzed and interpreted. For this purpose, machine learning methods are applied. Researchers have now tested self-supervised learning as a promising approach for testing 20 million cells or more.

Researchers track sharp increase in diagnoses for sedative, hypnotic and anxiety use disorder in young adults

The prevalence of diagnosed disorders from recurrent use of sedative, hypnotic and anti-anxiety medications in adolescents and young adults has increased sharply since 2001, according to researchers. Their study examined diagnoses of these disorders in adolescents and young adults between 2001 to 2019.

Imagining the physics of George R.R. Martin's fictional universe

Researchers have derived a formula for viral behavior in the Wild Cards, a science fiction series written by a collection of authors about an alien virus called the Wild Card that mutates human DNA. The formula he derived is a Lagrangian formulation, which considers the different ways a system can evolve. It's also a fundamental physics principle, which also makes the fictional example a powerful teaching tool.

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