Tag #Nature Medicine

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dw.com

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Jul 15, 19:14

Study Links Air Pollution, Inequality, Weak Democracies to Accelerated Aging

A July 14, 2025, Nature Medicine study of 161,981 people across 40 countries found that air pollution, social inequality, and weak democracies accelerate aging, highlighting the need for public health strategies to address structural inequalities and governance deficits.

Study Links Air Pollution, Inequality, Weak Democracies to Accelerated Aging

A July 14, 2025, Nature Medicine study of 161,981 people across 40 countries found that air pollution, social inequality, and weak democracies accelerate aging, highlighting the need for public health strategies to address structural inequalities and governance deficits.

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How do the regional variations in aging rates reflect differences in exposomes, and what are the specific factors contributing to these disparities?

Researchers identified "exposomes"—factors like pollution, inequality, and democratic conditions—as major contributors to faster aging. These factors impact biological age more than chronological age, increasing the risk of cognitive and functional decline. The study highlights the substantial variation in aging rates across regions, with Europe showing slower aging compared to Asia and the Americas.

faz.net

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Jan 21, 01:09

GLP-1 Receptor Agonists: Significant Health Benefits and Risks Revealed in Large-Scale Study

A study of 1.4 million US veterans with type 2 diabetes revealed that GLP-1 receptor agonists, weekly-injected drugs, reduced the risk of 42 health issues, including cardiovascular problems and infections, but increased risks of gastrointestinal issues and low blood pressure.

GLP-1 Receptor Agonists: Significant Health Benefits and Risks Revealed in Large-Scale Study

A study of 1.4 million US veterans with type 2 diabetes revealed that GLP-1 receptor agonists, weekly-injected drugs, reduced the risk of 42 health issues, including cardiovascular problems and infections, but increased risks of gastrointestinal issues and low blood pressure.

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How do GLP-1 receptor agonists impact neurological and psychiatric conditions, and what are the potential mechanisms behind these effects?

The positive effects of GLP-1 receptor agonists extend to neurological and psychiatric conditions, showing a 10-20% reduction in risk for addiction, schizophrenia, and dementia, potentially due to anti-inflammatory and appetite-suppressing actions. However, the study, spanning 3.7 years, also revealed increased risks of gastrointestinal issues, joint inflammation, and low blood pressure.

elmundo.es

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Feb 3, 19:11

Microplastics Accumulate in Human Brains: A Growing Concern

A study of 52 human cadavers (2016-2024) found that microplastics and nanoplastics accumulate more in human brains than in livers or kidneys; concentrations increased over time and were higher in individuals with dementia.

Microplastics Accumulate in Human Brains: A Growing Concern

A study of 52 human cadavers (2016-2024) found that microplastics and nanoplastics accumulate more in human brains than in livers or kidneys; concentrations increased over time and were higher in individuals with dementia.

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What are the immediate implications of the finding that microplastics accumulate more in human brains than in other organs?

A study in Nature Medicine reveals that microplastics and nanoplastics accumulate more in human brains than in livers or kidneys. Researchers analyzed 52 human cadavers (2016-2024), finding higher concentrations in brain tissue, increasing over time, and significantly elevated in individuals with dementia. This suggests a potential link between microplastic exposure and neurological issues.

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