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About Stephen Lester

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So far Stephen Lester has created 130 blog entries.

The Life of an Intern at CHEJ

By Sophie Weinberg, CHEJ Science Intern, Summer 2020. This summer was unusual to say the least. Despite living through a pandemic, people around the world innovated their lives to create a new normal. One of these changes included working remotely. This posed a unique challenge to the entire workforce, but particularly to interns. This summer, [...]

Residential Segregation and Disproportionate Exposure to Airborne Carcinogens

Researchers at Washington University in St. Louis published a paper late last year that found carcinogens present in the air of the St. Louis metropolitan area to be highly concentrated in Black and poor neighborhoods. They found that approximately 14% of the census tracks in the city had elevated cancer risk due to exposure to [...]

Remembering the bombing at Hiroshima Japan – 75th Anniversary

Survivors of the world’s first atomic bombing gathered in diminished numbers near an iconic, blasted dome Thursday to mark the attack’s 75th anniversary, many of them urging the world, and their own government, to do more to ban nuclear weapons. Read more.

CDC – Where are you?

As the country moves to reopening this summer, with some states moving more quickly and others more deliberately, one thing seems clear, people are not paying attention to details and to the rules of living with a pandemic. Where are the masks and where is the social distancing? And where is the Centers for Disease [...]

A Pandemic of Pollution

The death toll due to Covid-19 passed the 90,000 mark in the United States this week. This is a truly staggering if not sobering number that raises many questions about how we as a nation respond to this incredible loss of life. These are not just numbers, but people – someone’s mother, father, brother, sister, [...]

Vulnerability to Pollution and Susceptibility to Covid-19

A new screening tool is now available that identifies populations across the country that are most vulnerable to severe complications following exposure to the coronavirus and development of covid-19. This community vulnerability map which was developed by Jvion, a health care data firm, in collaboration with Microsoft. Jvion uses socioeconomic and environmental factors, such as [...]

How vulnerable is your community to Coronavirus? New maps reveal familiar pattern.

The predominantly black and low-income communities living near the back-to-back petrochemical refineries of Louisiana’s “cancer alley” have long suffered compromised immune systems and high rates of disease. Now, the state’s fast-growing COVID-19 outbreak is poised to hit them especially hard. <Read more>

The Coronavirus Outbreak

This blog was recently published by Hesperian Health Guides. Coronavirus is all over the news and people are looking for how-to, actionable information on surviving the pandemic. But limiting advice and actions to improving individual or community hygiene is only washing our hands of the problem. To successfully defeat the looming epidemic, we have to change [...]

Interpreting Testing Results; The Basis for No Cause for Alarm

Not too long ago, a local leader in a community in Nevada asked if I could review a set of water testing data. The sample was taken from a water storage tank that provides drinking water to the town where she lives. The town had painted the inside of the storage tank, but now the [...]

Partnership Between University and Community finds Airborne Health Risks from PCBs in New Bedford Harbor Sediment

A unique collaboration between university and community led to an important study evaluating the human health risks posed by airborne polychlorinated biphenyls (PCBs) coming from sediment in the New Bedford Harbor in Massachusetts. Researchers from Boston University found that the harbor, the home of one of the largest PCBs Superfund sites in the country, is [...]

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