Good Stuff To Know April 2021

Social media use driven by search for reward, akin to animals seeking food

Our use of social media, specifically our efforts to maximize ‘likes,’ follows a pattern of ‘reward learning,’ concludes a new study by an international team of scientists. Its findings reveal parallels with the behavior of animals, such as rats, in seeking food rewards.

New compound for male contraceptive pill

A new article spells out an innovative strategy that has led to the discovery of a natural compound as a safe, effective and reversible male contraceptive agent in pre-clinical animal models. Despite tremendous efforts over the past decades, the progress in developing non-hormonal male contraceptives has been very limited.

Moral outrage is attractive among long-term relationship seekers

Moral outrage is an attractive behavior, particularly to people seeking long-term relationships, according to a new paper by researchers including a University of Arkansas psychologist.

Study finds two servings of fish per week can help prevent recurrent heart disease

An analysis of several large studies involving participants from more than 60 countries has found that eating oily fish regularly can help prevent cardiovascular disease (CVD) in high-risk individuals, such as those who already have heart disease or stroke.

New discovery explains antihypertensive properties of green and black tea

A new study from the University of California, Irvine shows that compounds in both green and black tea relax blood vessels by activating ion channel proteins in the blood vessel wall. The discovery helps explain the antihypertensive properties of tea and could lead to the design of new blood pressure-lowering medications.

90% of young women report using a filter or editing their photos before posting

Ninety percent of women report using a filter or editing their photos before posting to even out their skin tone, reshape their jaw or nose, shave off weight, brighten or bronze their skin or whiten their teeth. Young women in the study also described regularly seeing advertisements or push notifications for cosmetic procedures — particularly for teeth whitening, lip fillers, and surgery to enhance face and body features.

Fauci: When we don’t have the science on reopening, we go with our gut

CBD reduces plaque, improves cognition in model of familial Alzheimer’s

A two-week course of high doses of CBD helps restore the function of two proteins key to reducing the accumulation of beta-amyloid plaque, a hallmark of Alzheimer’s disease, and improves cognition in an experimental model of early-onset familial Alzheimer’s, investigators report.

New mammogram guidelines for women recently vaccinated for COVID-19

In the past four weeks, doctors have seen swollen lymph nodes on screening mammograms of women who have recently been vaccinated. “Whenever we see these on a normal screening mammogram we call those patients back because it can either mean metastatic breast cancer which travels to the lymph nodes or lymphoma or leukemia.”

Consumption of added sugar doubles fat production

Too much sugar is unhealthy – that we know, but it’s not just down to the many calories. Even moderate amounts of added fructose and sucrose double the body’s own fat production in the liver, researchers have shown. In the long term, this contributes to the development of diabetes or a fatty liver.

94% of older adults prescribed drugs that raise risk of falling

The study found that the percentage of adults 65 and older who were prescribed a fall-risk-increasing drug climbed to 94% in 2017, a significant leap from 57% in 1999. The research also revealed that the rate of death caused by falls in older adults more than doubled during the same time period.

New discovery explains antihypertensive properties of green and black tea

A new study from the University of California, Irvine shows that compounds in both green and black tea relax blood vessels by activating ion channel proteins in the blood vessel wall. The discovery helps explain the antihypertensive properties of tea and could lead to the design of new blood pressure-lowering medications.

Vitamin D for All Over 50s to Prevent Cancer Deaths?

Vitamin D supplementation for older healthy adults has been much debated. Recent attention has been focused on its potential for reducing the risk for and severity of COVID-19, but there is an older argument, boosted by recent evidence, for taking vitamin D to reduce deaths from cancer.

A strong coffee half an hour before exercising increases fat-burning

In the afternoon, the effects of the caffeine are more marked than in the morning.

High vitamin D levels may protect against COVID-19, especially for Black people, study suggests

A new research study at the University of Chicago Medicine has found that when it comes to COVID-19, having vitamin D levels above those traditionally considered sufficient may lower the risk of infection, especially for Black people.

Feeding cattle seaweed reduces their greenhouse gas emissions 82 percent

A bit of seaweed in cattle feed could reduce methane emissions from beef cattle by as much as 82 percent, according to new findings from researchers at the University of California, Davis.

 

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