Tag: Health

Air pollution: one of the world’s greatest public health threats

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“Air pollution is one of the world’s greatest public health threats, reducing global life expectancy more than smoking, alcohol or childhood malnutrition. Recent studies estimate that fine particulate matter called PM2.5—pumped out by cars, factories, woodstoves and wildfires—causes nearly nine million premature deaths annually.” [Greenspan, J. (2023). Air Pollution Is Really Dangerous, Even More New Evidence Shows: Dirty air has been linked to poor health outcomes, ranging from suicidality…

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p53 and cancer

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p53 is a tumor suppressor protein that is the most commonly mutated gene in tumor/cancer cells. p53 is the most important and most widely studied of the tumor suppressor genes. Mutations in p53 are found in approximately 50% of all human cancers. The most studied tumor suppressor function of p53 is tied to apoptosis (programmed cell death). Cancer therapies that involve mutated tumor suppressor genes…

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Transport of invasive species

The high costs of invasive species

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“Species introduced to new regions through human activities are termed alien species. Invasive alien species represent a subset of alien species – animals, plants, and other organisms – known to have established and spread with negative impacts on biodiversity, local ecosystems and species. Some of the most problematic invasive alien species arrive through multiple introduction pathways and repeated introduction. Invasive alien species are recognized as…

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Extreme heat, Phoenix Arizona USA- July 2023

Extreme heat: impacts and consequences

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Extreme heat is becoming the “new normal” for many areas of the world. The summer of 2023, for example, has seen some of the hottest days in modern history. Extreme heat is now a regular headline: How Extreme Heat Affects Workers and the Economy (New York Times) The heat index reached 152 degrees in the Middle East — nearly at the limit for human survival…

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Wildfire smoke and dirty air are also climate change problems: Solutions for a world on fire

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Drew Shindell, Duke University from (The Conservation) As the eastern U.S. and Canada reeled from days of thick wildfire smoke in early June 2023, millions of people faced the reality of climate change for the first time. Shocking images of New York under apocalyptic orange skies left many people glued to air quality indices and wondering whether it was safe to go outside. What they…

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California (USA) wildfire smoke over city

How wildfire smoke can harm human health, even when the fire is hundreds of miles away – a toxicologist explains

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Christopher T. Migliaccio, University of Montana (from The Conservation) Smoke from more than 100 wildfires burning across Canada has been turning skies hazy in North American cities far from the flames. We asked Chris Migliaccio, a toxicologist at the University of Montana who studies the impact of wildfire smoke on human health, about the health risks people can face when smoke blows in from distant…

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