Articles tagged with Population Studies
A new study using high-resolution Y chromosome sequencing has found that female populations have been larger throughout human history and remain so in most populations. The research suggests that processes like polygyny and women's tendency to move with their husbands contribute to females making a greater genetic contribution.
A recent study found a 24% decline in first-time strokes and a 20% drop in deaths after strokes over the last 24 years. However, the risk of stroke was concentrated mainly in older adults, with little progress made in reducing the risk among younger people.
A new study found that orgasm rates for single women vary by sexual orientation, with lesbian women experiencing the highest rate. The study analyzed data from over 2,800 individuals and suggests that partner communication and biological factors may contribute to these variations.
A study found that 40% of patients with pacemakers and defibrillators have limited health literacy, posing serious risks. Patients may misunderstand device instructions or fail to manage co-existing conditions like diabetes and high blood pressure.
Research shows a more than threefold rise in male teen drinking alcohol in India, with those from urban areas and poorer households most affected. Early onset of drinking is associated with increased risk of lifetime dependence, injuries, and psychological distress.
Two papers provide a unified definition of lifelong and acquired premature ejaculation, reducing errors in diagnosis and classification. The definition aims to improve treatment options for affected men and their partners.
A new study of nearly 12,000 individuals found that those with dyspnea at baseline had a greater risk of dying, even after adjusting for other risk factors. Dyspnea was associated with a significant increased risk of death in rural Bangladesh, and identifying underlying causes may offer an opportunity to reduce mortality risk.
Caswell's work on matrix population models has had a significant impact on life history theory, conservation biology, climate studies, and the evolution of aging. He was recognized for his lifetime contributions to mathematical demographic analysis.
The study aims to understand why some young men exhibit risky behaviors as they emerge into adulthood, while others do not. The research team will consider factors such as social and sexual networks, homophobia, substance use, and mental health burdens.
A large population study found that current and recent use of painkillers/anti-inflammatories is linked to a heightened risk of atrial fibrillation among older adults. Over half of the study participants developed atrial fibrillation during the monitoring period, with those currently taking NSAIDs facing an 84% greater risk.
Researchers analyzed 1.1 million online reviews across 32,000 cities and found that weather plays a significant role in review quality. Evaluations written on rainy or snowy days are more negative than those written on nice days.
A midlife healthy diet was found to reduce dementia risk by almost 90% compared to the least healthy diet. Higher intake of saturated fats linked to poorer cognitive functions and increased risk of dementia.
A new study by IIASA researchers suggests that increasing labor force participation by as little as 1 or 2 percentage points could allow pension ages to be reduced by one year without increasing the burden on the working population. This approach is considered more palatable politically than raising retirement age, which has proven unp...
A new study from IIASA reveals that young adult failure to thrive is linked to three major economic factors: a globalized labor force, soaring education levels, and increasing women's participation in the workforce. This leads to increased competition for jobs, particularly among those with little practical experience.
A new CU-Boulder study analyzed over 1,000 scientific studies on North American mammal responses to human-caused climate change, finding that only 52% of species responded as expected. Large mammal body size and restricted times during a day were key traits tied to climate change responses.
A large population-based study published in Annals of the Rheumatic Diseases found that hormone replacement therapy (HRT) taken regularly after knee or hip replacement reduces the risk of repeat surgery by around 40%. The research also showed that taking HRT for 12 months or more after surgery further decreases the risk, with those rec...
A recent study found that men are more likely to experience memory problems than women, with 8 out of 9 questions showing higher rates of forgetting among men. This phenomenon holds true across all ages, from 30 to 60 years old, and is associated with higher education levels and a lower risk of dementia.
A new study from Karolinska Institutet found that the risk of relatives developing multiple sclerosis is lower than previously thought. The study analyzed data from over 28,000 individuals diagnosed with MS in Sweden, revealing a seven-fold increased risk for siblings and a five-fold increased risk for children of MS patients.
A recent study published in Neurology found that heavy drinking in middle age is associated with faster decline in all areas of cognitive function in men. Moderate drinking, on the other hand, may not harm memory and executive function.
A groundbreaking study by IIASA researchers Warren Sanderson and Sergei Scherbov provides a new framework for measuring aging based on multiple characteristics. The study offers a more realistic view of population aging by incorporating factors such as life expectancy, health, cognitive function, and disability rates.
A University of Iowa researcher found a 'Goldilocks' effect in snail populations, where certain boundaries restrict growth and reproduction. This discovery may one day aid in controlling the spread of invasive species.
High-priced cigarettes ($4.50+ per pack) and smoke-free homes are associated with lower smoking behaviors in low-income individuals, who tend to smoke more due to lower state cigarette prices. A smoke-free home is also crucial for successful quitting among these smokers.
A new study by American College of Surgeons found that appendectomy patients who undergo surgery on weekends do not experience more postoperative complications compared to weekday patients. However, they pay $419 more in hospital charges on average. The study analyzed nearly 826,000 appendectomies performed between 2006 and 2009.
A Finnish population-based study with over 4,000 participants found that eating five meals a day reduces the risk of obesity in adolescents. Skipping breakfast, on the other hand, is associated with greater BMI and waist circumference. Maternal weight gain during pregnancy also increases the risk of obesity in offspring.
A systematic review of six studies involving over 900,000 patients found a positive association between severe hypoglycaemia and cardiovascular disease risk. The link was consistent across all studies, suggesting that avoiding severe hypoglycaemia may be crucial to preventing CVD in type 2 diabetics.
A large clinical study found no evidence that THC slows progressive multiple sclerosis (MS) progression. However, participants at the lower end of the disability scale showed some benefits. The study suggests that further research is needed to confirm these findings.
A study of 601 women with breast cancer found that African-American women were more likely to experience delay in treatment due to type of treatment received or younger age. White women experienced delay if they underwent immediate breast reconstruction following mastectomy.
The University of Illinois Chicago will lead a $15.3 million NIH project to follow up with all Chicago participants in the Hispanic Community Health Study/Study of Latinos, a large-scale study of Hispanic/Latino health. The study aims to investigate chronic diseases and risk factors in this population.
A study published in CMAJ found that 13.5% of Canadian Forces personnel who served in support of the Afghanistan mission between 2001-08 had a mental health disorder related to their deployment. The most common disorders were posttraumatic stress disorder (PTSD) and depression, with PTSD being found in 8% of personnel.
A Stanford-led study found that men diagnosed with azoospermia have a significantly higher risk of developing cancer than the general population. The study, which analyzed data from over 2,200 infertile men, found that azoospermic men were nearly three times more likely to receive a cancer diagnosis than non-azoospermic men.
Patients with low baseline diastolic blood pressure (DBP) had more subcortical brain atrophy progression. Those with declining DBP levels over time showed less brain atrophy progression compared to those with rising BP levels.
A recent study published in The Journal of Sexual Medicine found that nearly half of young men with newly-diagnosed erectile dysfunction (ED) experience severe ED. Younger patients had lower body mass index, higher testosterone levels, and fewer medical conditions compared to older patients.
A study of 1,500 middle-aged women found that one in five experienced constant or frequent stress, leading to 40% reporting psychosomatic symptoms like muscle aches and joint pain. Single women and smokers were particularly vulnerable to stress, highlighting the need for preventive measures from society.
A study from the Cleveland Clinic found that obstructive sleep apnea patients with poor functional capacity have a significantly higher mortality risk. The researchers identified several factors, including female gender, smoking history, and abnormal heart rate recovery, as predictors of impaired functional capacity in this population.
A new study from Harvard Medical School reveals that millions of eligible seniors are turning down free prescription drug coverage due to impaired cognitive abilities. The researchers suggest that the design of the program needs to be changed to make it easier for low-income adults to enroll and access the benefit.
A new study suggests that African-Americans are more likely to develop multiple sclerosis, contradicting the widely accepted notion that they are at lower risk. The study found a 47% increased risk in African-Americans compared to Caucasians.
A University of Eastern Finland study found that low serum vitamin D levels are a significant risk factor for pneumonia. The risk was more than 2.5 times higher in individuals with the lowest vitamin D levels compared to those with high levels, particularly among older adults and smokers.
A team-based approach to primary care delivers improved patient outcomes, enhanced practice workflows, and increased physician satisfaction. By sharing responsibility and consulting with each other regularly, healthcare teams can provide more sensitive and responsive patient-centered care.
A large population study from Denmark found that individuals deemed mentally vulnerable are at a significantly increased risk of both fatal and non-fatal cardiovascular disease. The study's results showed that mental vulnerability was associated with a 36% higher risk of events, independently of classical risk factors.
A study analyzing emergency admissions for asthma among adults in England found a significant annual 5% drop following the introduction of the country's smoking ban in 2007. The study, published in Thorax, confirms the value of public health interventions and attributes the association to reduced secondhand smoke exposure.
A recent study by Beaumont doctors highlights the importance of training and emergency response planning in K-12 schools to reduce sudden cardiac arrest fatalities. The study found that bystander use of automated external defibrillators (AEDs) increases survival rates threefold, emphasizing the need for standardized training and drills.
Researchers analyzed survey data from 200 servers in 18 restaurants, finding that sensitivity to demographic differences predicted service levels. The study highlights the problem of poor service to African-American customers and suggests a solution by promoting tipping norms for specific levels of service quality.
A study published in JAMA Network found that women are at a higher risk of hip implant failure compared to men, with a hazard ratio of 1.29 for all-cause revision and 1.32 for aseptic revision.
Researchers at Yale School of the Environment linked exposure to perfluorinated chemicals (PFCs), including PFOA and PFOS, with an increased risk of osteoarthritis. The study found stronger associations for women than men, highlighting the need for further exploration of health effects in susceptible subpopulations.
A new study finds that bacteria in the large intestine can deconjugate masked mycotoxins, releasing toxic forms of deoxynivalenol and zearalenone. The findings suggest that these toxins should be considered when evaluating population exposure.
A large cohort study found that women who had small-for-gestational-age (SGA) infants in their first pregnancy have a strongly increased risk of SGA in their second pregnancy. The study analyzed data from the Netherlands Perinatal Registry and found that 23.2% of women with a previous SGA baby went on to have an SGA infant in their sub...
Research finds that self-esteem, optimism, and perceived control influence depression in both stroke survivors and their spouse caregivers. High levels of these factors in one partner can lead to lower levels of depression in the other. Interventions targeting both partners may improve patient outcomes.
A recent study by the USDA Forest Service's Pacific Southwest Research Station has found that fisher populations in the southern Sierra Nevada are stable. The research, which monitored fisher distribution across a 7,606-square-mile area over eight years, found no increase or decrease in population numbers.
A recent study found that higher-quality Medicare Advantage plans are associated with increased likelihood of enrollment among beneficiaries. The research analyzed data from nearly 1.3 million Medicare beneficiaries and discovered that plans with higher star ratings had more enrollees, particularly those switching plans.
Research reveals that partial sleep deprivation affects ghrelin and leptin levels, leading to increased energy intake and potential weight gain. The study suggests a possible link between sleep patterns and body weight regulation.
A study published in Archives of Neurology found a strong association between poor physical performance and increased dementia risk in individuals aged 90 and older. The study revealed that even modest declines in physical performance were associated with higher dementia odds, particularly gait slowing and grip strength.
A large-scale study found that people with mental health problems have a lower life expectancy due to increased risks of cardiovascular disease and cancer. Even minor symptoms of anxiety or depression are associated with higher mortality rates.
A recent Genographic Project study has shown that individuals with the Romanian 'Basarab' surname may not be direct biological descendants of the Basarab dynasty, which ruled Wallachia from 1330-1601. The research found genetic diversity among modern-day Basarab men, suggesting a polyphyletic name with multiple unrelated male founders.
Research found associations between exposure to certain organic solvents and an increased risk of heart defects in newborns. The study, published in Occupational and Environmental Medicine, suggests that workplace exposure to organic solvents may be a potential risk factor for several types of congenital heart defects at birth.
Children with disabilities are at nearly four times greater risk of experiencing violence, with over a quarter exposed to some type of violence during their lifetime. Lifetime levels of physical and sexual violence are also high among disabled children.
Research published in BMJ Open finds that stillbirth rates are twice as high among the least well-off in England, with the gap remaining constant over eight years. Socio-economic inequalities in stillbirths by cause have been evident across all causes, including bleeding before birth and congenital abnormalities.
A population-based study from the UK suggests that psoriasis is associated with an increased risk of developing type 2 diabetes. The study found that patients with severe psoriasis were more likely to receive prescription diabetic therapy and had a trend towards being prescribed insulin.
A large non-commercial study found that cannabis' main active constituent, THC, does not slow the course of progressive multiple sclerosis. However, participants with lower disability levels showed some potential benefits from THC treatment.
Researchers discovered a high prevalence of fragile X gene premutations among US population participants, indicating potential neurological and reproductive health risks. The study found that carriers of the faulty gene had a higher probability of experiencing symptoms such as numbness, dizziness, and early menopause.
A recent study found that rare variations in the human genome, which occurred following a population explosion, may influence susceptibility to common diseases. The researchers analyzed the genetic code of over 2,400 individuals and discovered more than half a million single-letter DNA changes, many of which were predicted to be harmful.