Thyroid problems linked to increased risk of dementia

Older people with hypothyroidism, also called underactive thyroid, may be at increased risk of developing dementia, according to a new study. The risk of developing dementia was even higher for people whose thyroid condition required thyroid hormone replacement medication.

14h

Researchers decode retinal circuits for circadian rhythm, pupillary light response

The eye's light-sensing retina taps different circuits depending on whether it is generating image-forming vision or carrying out a non-vision function such as regulating pupil size or sleep/wake cycles, according to a new mouse study.

14h

Study shows increase in COVID-19 vaccine acceptance around the world

COVID-19 vaccine acceptance increased 3.7% between 2020 and 2021, according to a new study. In a June 2021 survey of over 23,000 individuals across 23 countries, the researchers found that more than three-quarters (75.2%) of respondents reported vaccine acceptance, up from 71.5% one year earlier.

14h

New study sheds light on why opioids can cause gastrointestinal problems

Opioids are the gold standard for treatment of chronic and acute pain; however, their use may result in significant gastrointestinal side effects, including nausea, vomiting, and constipation. The reasons behind these side effects are not well understood. A new study reports on how opioids like morphine cause gastric inflammation and how this condition...

15h

Depression in fathers and children linked, regardless of genetic relatedness

Adolescent depression and behavior problems are on the rise and paternal depression may be contributing to this increase, regardless of whether the fathers and children are genetically related, according to new research.

16h

Safety first: How stigma may impact health

Lack of safety, according to a new theory, may have a direct impact on the health of people in marginalized communities, particularly the LGBTQ community. The theory challenges decades of thinking that health disparities in the LGBTQ community are primarily due to encounters with stressful and discriminatory events, a concept called 'minority stress.'

16h

Death of a family member may increase heart failure mortality risk

Heart failure patients experiencing grief or in mourning following the loss of a close family member are at an increased risk of death, particularly during the first week following the family member's death, according to a new study.

16h

Imaging solves mystery of how large HIV protein functions to form infectious virus

Scientists have determined the molecular structure of HIV Pol, a protein that plays a key role in the late stages of HIV replication, or the process through which the virus propagates itself and spreads through the body. Importantly, determining the molecule's structure helps answer longstanding questions about how the protein breaks itself apart to...

16h

Multi-layered strategies needed to protect public health from oil and gas drilling impacts

A group of public health experts from several universities and organizations is urging adoption of a multi-layered approach when developing policies to mitigate the impact of gas and oil production operations. They lay out a framework for decision-making, which they say would facilitate the application of more public health protective measures.

17h

Only seven percent of adults have good cardiometabolic health

Less than seven percent of the U.S. adult population has good cardiometabolic health, according to a new study. The researchers also identified large health disparities between people of different sexes, ages, races and ethnicities, and education levels.

17h