Lead found in rural drinking water supplies in West Africa

Scientists are warning that drinking water supplies in parts of rural West Africa are being contaminated by lead-containing materials used in small community water systems such as boreholes with handpumps and public taps. They analysed scrapings taken from the plumbing…

Tool to predict recidivism in federal inmates could make more prisoners eligible for early release

Passed in 2018, the First Step Act sought to address re-entry challenges for inmates in the federal prison system. The legislation called for developing an assessment tool to identify inmates for release who had the lowest likelihood of recidivism. A…

Study models economic impact of proposed law to regulate high-risk diagnostic tests

Legislation currently under consideration in the U.S. Congress would increase regulatory oversight of certain diagnostic tests, and a new study by researchers at Massachusetts General Hospital (MGH) and colleagues from several other institutions demonstrates that its potential impact will depend on key details in the bill’s final language.

Illuminating invisible bloody fingerprints with a fluorescent polymer

Careful criminals usually clean a scene, wiping away visible blood and fingerprints. However, prints made with trace amounts of blood, invisible to the naked eye, could remain. Dyes can detect these hidden prints, but the dyes don’t work well on…

Weight loss changes people’s responsiveness to food marketing: study

Obesity rates have increased dramatically in developed countries over the past 40 years — and many people have assumed that food marketing is at least in part to blame. But are people with obesity really more susceptible to food marketing?…

How AI beats spreadsheets in modelling future volumes for city waste management

Growing cities tend to run out of land for waste management and new landfill sites. Artificial Intelligence can help city managers create more powerful long-term forecasts of solid waste volumes and landfill requirements, even with missing or inaccurate data. UJ…

Family ties protect against opioid misuse among U.S. young adults

Syracuse, N.Y. – As opioid use disorders and overdoses continue to skyrocket in the United States, a study by researchers from Syracuse University and Pennsylvania State University shows that unmarried young adults who do not have children are mostly likely…

Food industry lobbying was intense on failed bill to limit marketing to Canadian children

Researchers at the University of Toronto have found that food industry interactions with government heavily outnumbered non-industry interactions on Bill S-228, also known as the Child Health Protection Act, which died in the Senate of Canada in 2019. The researchers…

Evaluating state marijuana laws, rates of self-harm, assault

What The Study Did: Researchers examined whether state medical and recreational cannabis laws were associated with changes in rates of self-harm and assault injuries. Authors: Keith Humphreys, Ph.D., of Stanford University in Stanford, California, is the corresponding author. To access…

Recreational cannabis use among adults in the home is on the rise, but what about the children?

Among adults with children living in the home, cannabis use was more common in states with legalized cannabis use, according to a new study by Columbia University Mailman School of Public Health, Columbia Irving Medical Center and the City University…

Study: Men of color avoid public places out of fear of involvement with criminal justice agents

The U.S. criminal legal system has expanded at a rapid pace, even as crime rates have declined since the 1990s. As a result, individuals’ interactions with and surveillance by law enforcement are now commonplace. But citizens experience different interactions, with…

Study: Seattle’s minimum wage increase did not change crime or employment rates

Between 2015 and 2017, Seattle, Washington, became the first U.S. city to increase its hourly minimum wage to $15, more than double the federal minimum wage and 60 percent higher than Seattle’s previous minimum wage. A new study examined the…

harp reductions in costs of producing cannabis, fentanyl likely to spur widespread changes in use, dependence

The legalization of cannabis and the arrival of nonmedical fentanyl are fundamentally changing drug markets in North America. A large part of these changes relates to the ability to produce large quantities of the drugs at low costs, which has…

Alzheimer Europe identifies key recommendations on legal capacity and decision making

Luxembourg, 9 March 2021 – Today, Alzheimer Europe launches a new report, “Legal capacity and decision making: The ethical implications of lack of legal capacity on the lives of people with dementia”, which looks at the intersection between legal rights…

Study: Political, economic, social factors affect local decisions about death penalty

Broad political, economic, and social factors influence disciplinary punishment. In particular, over the last half century, such considerations have shaped jurisdictions’ use of the death penalty, which has declined considerably since the 1990s. A new study examined the factors associated…

Study: Prisoners with mental illness much more likely to be placed in solitary confinement

Past studies on whether incarcerated people with mental illness are more likely to be placed in solitary confinement have yielded mixed results. A new study examined the issue in one state’s prisons, taking into account factors related to incarcerated men…

Assessing regulatory fairness through machine learning

The perils of machine learning – using computers to identify and analyze data patterns, such as in facial recognition software – have made headlines lately. Yet the technology also holds promise to help enforce federal regulations, including those related to…