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Treating chronic hypertension in early pregnancy benefits parents, babies

Illustration of pregnant woman meditating
Image by AlexMile from Pixabay

Study shows pregnant adults less likely to experience preterm births or other serious problems with treatment.

U.S. National Institutes of Health

Adults treated with medication for high blood pressure present before or during the first 20 weeks of pregnancy, defined as chronic hypertension in pregnancy, had fewer adverse pregnancy outcomes compared to adults who did not receive antihypertensive treatment, according to a study supported by the National Institutes of Health.

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Missouri city is a hot spot of toxic air pollution and Non-Hodgkin lymphoma

Photo of an industrial chemical plant
Image by Frauke Feind from Pixabay

State Launches Cancer Study After ProPublica Identifies Toxic Air Pollution Hot Spot

by Lisa Song

ProPublica is a Pulitzer Prize-winning investigative newsroom. Sign up for The Big Story newsletter to receive stories like this one in your inbox.
Series: Sacrifice Jones – Mapping Cancer-Causing Industrial Air Pollution

After learning from a ProPublica analysis that his Missouri city is a hot spot of toxic air pollution, Verona Mayor Joseph Heck demanded that government officials look into the local cancer rate.

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What is the new COVID-19 variant BA.2, and will it cause another wave of infections in the US?

Artist drawing of a coronavirus
BA.2, one of three main omicron sublineages, is sweeping the world. BlackJack3D/iStock via Getty Images Plus

Prakash Nagarkatti, University of South Carolina and Mitzi Nagarkatti, University of South Carolina

A new omicron subvariant of the virus that causes COVID-19, BA.2, is quickly becoming the predominant source of infections amid rising cases around the world. Immunologists Prakash Nagarkatti and Mitzi Nagarkatti of the University of South Carolina explain what makes it different from previous variants, whether there will be another surge in the U.S. and how best to protect yourself.

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Understanding Alzheimer’s Disease and Related Dementias

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Image by PublicDomainPictures from Pixabay

US Centers for Disease Control and Prevention

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Plastic pollution is a global problem

Photo of man in canoe next to heavy plastic pollution
Plastic trash floating on the Buriganga river in Dhaka, Bangladesh, Jan. 21, 2020. Munir Uz Zaman/AFP via Getty Images

here’s how to design an effective treaty to curb plastic pollution.

Sarah J. Morath, Wake Forest University

Plastic pollution is accumulating worldwide, on land and in the oceans. According to one widely cited estimate, by 2025, 100 million to 250 million metric tons of plastic waste could enter the ocean each year. Another study commissioned by the World Economic Forum projects that without changes to current practices, there may be more plastic by weight than fish in the ocean by 2050.

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How poisonous mercury gets from coal-fired power plants into the fish you eat

Photo of man fishing near coal-fired power plant
NEWBURG, MD - JUNE 29: Danielle Gross casts his fishing line into the Potomac River as emissions spew out of a large stack nearby at the coal-fired Morgantown Generating Station June 29, 2015 in Newburg, Maryland. Today the U.S. Supreme Court ruled against the Environmental Protection Agency's (EPA) effort to limit certain power plant emissions -- saying the agency "unreasonably" failed to consider the cost of the regulations. (Photo by Mark Wilson/Getty Images)

How poisonous mercury gets from coal-fired power plants into the fish you eat

Gabriel Filippelli, IUPUI

People fishing along the banks of the White River as it winds through Indianapolis sometimes pass by ominous signs warning about eating the fish they catch.

One of the risks they have faced is mercury poisoning.

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Poverty reduction alters infant brain activity

Photo of woman with baby
The study adds to growing evidence that interventions to relieve poverty can affect how infants’ brains develop. Juliya Shangarey / Shutterstock

Brian Doctrow, Ph.D. – U.S. National Institutes of Health

At a Glance

  • Cash transfers to low-income mothers led to changes in their infants’ brain activity.
  • The results suggest that interventions to relieve poverty can affect how infants’ brains develop.
Poverty in early childhood correlates with lower school achievement and reduced earnings as an adult. It is also associated with differences in brain structure and electrical brain activity. Brain activity exhibits repetitive patterns at various frequencies. More low-frequency activity has been associated with behavioral, attention, and learning problems. Higher-frequency activity has been associated with better language, cognitive, and social-emotional scores.
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Dogs can be trained to sniff out COVID-19

Photo of Dog sniffing a face mask
Researchers at Florida International University successfully trained One Betta, a Dutch Shepard, and three other dogs to detect COVID-19 on face masks. The dogs got it right 96% to 99% of the time. Joe Raedle/Staff/Getty Images North America

A team of forensic researchers explain the science of training and learning from the amazing power of the canine nose

Kenneth G. Furton, Florida International University; Julian Mendel, Florida International University, and Kelvin J. Frank Jr., Florida International University

With up to 300 million scent receptors, dogs are among the best smell detectors in the animal world. The human nose, by comparison, contains only around 6 million scent receptors. Dog brains also devote 40% more brain space than humans to analyzing odors.

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CDC Reports Increase in Human Rabies Cases Linked to Bats in the U.S.

Photo of a bat sitting on the ground with its fangs shown
Image by Mohan Nannapaneni from Pixabay

Three U.S. rabies deaths in just five weeks

US Centers for Disease Control and Prevention (CDC)

CDC is raising awareness of the risks of rabies from bats in the U.S. after three people, including one child, died from rabies between late September and early November 2021. The three cases, described in the January 6, 2022, Morbidity and Mortality Weekly Report, bring the total number of cases in 2021 to five, compared to no reported rabies cases in people during 2019 and 2020.

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Some cancers are preventable with a vaccine – a virologist explains

Artist drawing of cancer cells
Some strains of the human papilloma virus (HPV) have been associated with cancers, especially cervical cancer. Kateryna Kon/Science Photo Library via Getty Images

Ronald C. Desrosiers, University of Miami

One-fifth. Nearly 20% of cancers worldwide are caused by a virus.

These viruses don’t cause cancer until long after they initially infect a person. Rather, the viruses teach the cells they take over how to escape the natural biological process of cell death. This strategy sets these altered cells on a path for other genetic changes that can cause full-blown cancer years down the road.

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