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Sunday 3 December 2023 Dublin: 5°C

# Study

All time
Men's testosterone levels largely determined by their childhood environment, study finds
The study challenges the theory that testosterone levels are controlled by genetics or race.
Marriage is (literally) good for the heart, new study finds
The study examined ethnically varied populations in Europe, North America, the Middle East and Asia.
What makes someone go from being hungry to hangry? Scientists may have found out
The combination of hunger and anger may be a complicated emotional response involving an interplay of biology, personality and environmental cues.
People who abstain from alcohol are off sick more often than the average drinker - study
The lead author of the study said the findings could be explained by health problems leading to people abstaining from drink.
How many people need to take a stand to instigate social change?
A study examined this question – and came up with a definite figure.
One in every five young adult deaths in the US is related to opioids
The study found that the percentage of deaths attributed to opioids in the US increased by 292% from 2001 to 2016.
This is how much exercise is needed to help improve thinking skills
Scientists found that people who exercised an average of at least 52 hours over about six months for around an hour each session may improve their thinking skills.
Alcohol a factor in 1 in 20 cases at emergency departments
The study found Saturday night and Sunday morning to be the busiest times and that most patients with alcohol-related presentations were male.
Study shows overweight people twice as likely to survive when hospitalised for infectious disease
The study into the so-called “obesity paradox” looked into the health over 35,000 patients in Denmark.
Can chimpanzee vocalisations reveal the origins of human language? This study found out
It has long been difficult to determine how and why human language began.
Study looks at whether women who have had a C-section should attempt vaginal birth
Though absolute rates were low in mothers who had attempted this type of birth.
Enjoy saunas? New research finds they significantly lower risk of stroke
The study found people taking 4-7 saunas a week were 61% less likely to have a stroke than those taking one a week.
Women who eat fast food and little or no fruit take longer to become pregnant, study finds
Women who consumed fast food four or more times a week took nearly a month longer to become pregnant than those who didn’t.
'My fear was what if the baby had HIV. When I had my daughter, thank god, she was HIV negative'
A new report details concerns Irish mothers had after being diagnosed with HIV.
Mid-life anxiety may be linked to dementia in later life
The study does not say if active treatment could curb the risk.
Galaxies grow bigger and puffier as they age, new study finds
“This is the first time we’ve shown shape and age are related for all kinds of galaxies.”
Saving a penalty: This is how science helps predict the match score
Researchers propose a new model to explain how a goalkeeper dives to the right corner at the right time in penalty kick situations.
Victims of bullying 'predominantly taunted about weight or body image'
Physical harassment was considerably more prevalent in the all-boys school.
A single concussion may increase the risk of Parkinson's disease by 56%
Researchers also found that those with a traumatic brain injury were diagnosed with Parkinson’s disease an average of two years earlier than those without.
After we increased the minimum wage in 2016, unemployment didn’t go up (contrary to warnings)
It’s been argued that an increase in the minimum wage would lead to more unemployment among minimum wage workers.
This is why expressive brows might have mattered during human evolution
Mobile eyebrows gave us the communication skills to establish large, social networks.
If you're a night owl, you're likely to die younger...
New research suggests that a person’s internal clock may be at odds with their external environment – and that they should be allowed start work later.
75% of chronic pulmonary disease cases linked to childhood illnesses and parental smoking
The findings were published in The Lancet journal this week.
Men perceive themselves as smarter, even compared to women whose grades are just as good
A new study has found that women are far more likely to underestimate their own intelligence than men.
Parts of the Amazon thought uninhabited were actually home to up to a million people
Archaeologists have uncovered evidence that there were hundreds of villages in the rainforest away from major rivers.
Banana plant extract could be key to creamier, longer lasting ice cream
Researchers have found that adding tiny cellulose fibres extracted from banana plant waste to ice cream could slow melting.
Sick air travelers are mostly likely to infect those in the next row, study reveals
Researchers also warned that infectious crew members could infect an average of 4.6 passengers per flight.
Two-thirds of Deaf community face difficulty finding out about their rights
A new report has been published detailing the experiences of Deaf people in accessing public and social services.
Myth debunked: Neither the low-carb nor the low-fat diet is superior
Cutting either carbs or fats shaves off excess weight in about the same proportion.
New blood and urine tests can indicate autism in children earlier
The “first of their kind” tests measure damage to proteins that can be an early indicator of autism.
'A gender equality paradox': Countries with more gender equality have fewer female STEM grads
The researchers believe this might be because countries with less gender equality often have little welfare support.
Study finds possible link between cancer and ultra-processed foods like TV dinners
The study’s authors said this “may drive an increasing burden of cancer in the next decades”.
Single dads at higher risk of premature death than single mothers or couples - study
Single fathers ate fewer fruit and vegetables, and were more likely to binge drink than single mothers and partnered parents, the study found.
Organic food provides significant environmental benefits to vegetarian diets - research
The study of over 34,000 people is the first to examine the environmental impacts of both food choices and farm production systems.
People living in areas of high radon exposure at higher risk of lung cancer
The ESRI has linked cancer figures with geographical data on radon gas.
Why do we trust, or not trust, strangers? The answer is based on those we've previously known
Research has revealed that strangers resembling past individuals known to be trustworthy are trusted more.
Ibuprofen during pregnancy could harm fertility of unborn baby girls - study
One in three women are estimated to use ibuprofen in the first three months of pregnancy.
Migraine associated with heart attack, stroke, blood clots and irregular heart rate
Around one billion people worldwide are affected by migraine.
Number of elderly people with four or more diseases to double by 2035
A third of these people will be diagnosed with dementia, depression or a cognitive impairment.
Irish researchers looking to develop wearable device for dementia patients who wander
Dementia is on the rise, with approximately 55,000 sufferers in Ireland.