A Harvard University study of over 6,000 college freshmen found that students who mastered algebra, geometry, and trigonometry had twice the impact on college calculus success as those who took calculus in high school. Weaker math students who took calculus in high school actually benefited the most from the class.
Researchers found elevated levels of tau and ubiquitin C-terminal hydrolase L1 biomarkers after high-acceleration head impacts, even without clinical concussion. The study suggests a potential new avenue for reducing risk to young athletes through technological improvements and game rule refinements.
A new study published in Annals of Internal Medicine found that women with high blood pressure during pregnancy are more likely to develop cardiovascular disease risk factors, including high blood pressure, diabetes, and high cholesterol. The risk factors emerged shortly after pregnancy and persisted for decades.
New research funded by Cancer Research UK found that people using high nicotine e-liquid puffed less deeply and often than those using low nicotine liquid. The study also showed that high nicotine vapers had lower levels of toxic chemicals in their vapour compared to low nicotine users.
Researchers found that prolonged exposure to high altitude and underfeeding leads to an inability to build muscle mass, a phenomenon mainly observed in older adults. The study highlights the importance of maintaining caloric balance at high altitudes, particularly among unaccustomed lowlanders.
A new study by National Geographic Society researchers found that 54% of high seas fishing industry is unprofitable at current scale without large government subsidies. The global cost of fishing in high seas ranged between $6.2 billion and $8 billion USD, with profits ranging from a loss of $364 million to a profit of $1.4 billion USD.
Researchers at the University of Illinois have developed an algorithm that combines high-resolution and high-frequency satellite data to produce continuous, daily images. This allows for near-real-time monitoring of various applications, including agriculture, urban development, environmental quality, and economic development.
Researchers from SUTD and HUJI develop highly stretchable, UV-curable hydrogels suitable for high-resolution 3D printing. These hydrogels enable the fabrication of complex geometries and high-stretchability structures.
New research reveals that high altitudes reduce heart function by decreasing blood volume and increasing lung pressure. The study's findings will improve our understanding of how the human body adapts to high-altitude environments, making exploration and tourism safer and facilitating exercise performance at high altitude.
Researchers at Portland State University developed methods to measure free-base nicotine in e-cigarette liquids and vapor. The study found that JUUL products have low free-base levels but high total nicotine, making them tolerable for inhalation.
Researchers achieved 20 Gbit/s data transmission over a converged fiber-wireless network in the 90-GHz band, enabling smooth and uninterrupted communication for high-speed trains. Ultra-fast switching of optical paths to remote radio stations was also demonstrated, making handover-free communication possible.
Researchers from Tokyo Metropolitan University have created new superconductors made of layers of bismuth sulfide and a high entropy rare earth alloy oxyfluoride. The new material retains superconducting properties over a wider range of lattice parameters than materials without high-entropy-alloy states.
A recent study published in Academic Emergency Medicine found that patients with one or more high-risk clinical features are at high risk for acute aortic dissection. The study also identified that patients with no high-risk and multiple low-risk features are at low risk for the condition.
A new study by the University of Southern California finds that high-deductible health plans increase the risk of financial trouble and out-of-pocket spending for low-income and chronically ill consumers, who are more likely to face excessive financial burden or financial disaster. The study shows that enrollment in high-deductible pla...
Undermatching students from high school to college show significant depression symptoms, highlighting the impact of school ability transitions on mental well-being. Researchers found that downward transitions are linked to depression at levels similar to background factors, suggesting a need for counselors to consider school environmen...
A recent study found that grilling and well-done meat consumption may raise the risk of developing high blood pressure. Researchers analyzed data from three long-term studies involving over 103,000 women and men, finding a significant association between high-temperature cooking methods and increased blood pressure risk.
High-birthweight infants who were exclusively breastfed for the first six months of life had a significantly lower risk of becoming overweight or obese by age 6. This protective effect was observed in a large retrospective cohort study of over 38,000 Korean children.
The US spends substantially more on healthcare than other high-income countries despite poor population health outcomes, primarily due to higher prices for services and administrative complexity. Quality of care in the US excels in some areas but is not markedly different from that of other countries.
A new study from the University of Georgia finds that aggression and weak study skills are strongly linked to high school dropout rates. The study tracked over 620 students for seven years, revealing a 50% dropout rate among those with high aggression and low study skills.
Researchers have discovered that black jacobin hummingbirds produce vocalizations with an unusually high-frequency pitch, including components in the ultrasonic range. The findings suggest that these birds may rely on their unusual calls as a private channel of communication, given their diverse social environment.
The new guidelines aim to standardize data capture in high altitude research, enabling researchers to replicate studies and compare findings. The guidelines provide a structured approach for collecting data on factors such as local conditions, study participants' characteristics, and medical history.
According to Penn State researchers, most PA high school and middle school students are tobacco-free, but e-cigarette and cigarette use remain a cause for concern. The survey found that 4.3% of middle schoolers and 22.4% of high schoolers reported using tobacco products in the past 30 days.
Research reveals that high blood pressure impairs the body's response to hypoxia, limiting oxygen delivery to vital organs and tissues. Middle-aged men with high blood pressure were found to have reduced blood flow to the brain and leg muscles during low-oxygen conditions.
A recent study at the University of Jyväskylä found a surprisingly high level of mental well-being among middle-aged individuals. The research examined multiple dimensions of mental well-being and identified four groups with varying levels of mental well-being. Individuals on the high-wellbeing trajectories had more satisfying relation...
A new study from the American Heart Association found that stress and high blood pressure are associated with an increased risk of brain bleeds in sub-Saharan Africa. Consuming green leafy vegetables has been shown to be strongly protective against these bleeds, according to researchers.
Researchers have developed a new family of aerodynamic configurations, called Hypersonic I-shaped Aerodynamic Configurations (HIAC), which aim to improve the efficiency and lift of hypersonic aircraft. The designs feature an extra wing that captures high-pressure airflow, resulting in a significant increase in lift coefficient and drag...
A high-salt diet reduces resting blood flow to the brain and causes dementia in mice, according to a new study. The study found that mice fed a high-salt diet developed dementia even when blood pressure did not rise, suggesting a direct link between salt intake and cognitive impairment.
A randomized clinical trial found that high-intensity exercise three times a week slows worsening of Parkinson's symptoms, while moderate intensity workouts have no effect. The study suggests that high-intensity exercise may be an effective treatment for delaying disease progression.
A new phase 2 trial found that high-intensity exercise three times a week for six months is safe and decreases worsening of motor symptoms in early-stage Parkinson's disease patients. The study compared high-intensity exercise to moderate intensity and found significant benefits for the high-intensity group.
A study published in Addiction found that low- and high-volume prescribers both play a significant role in opioid prescriptions, challenging the focus on 'pill mill' doctors. The study also identified other high-risk patient groups, such as concomitant users and chronic high-dose users, who pose a greater public health threat.
A study published in The Lancet Diabetes & Endocrinology found that diabetes and high BMI were responsible for 544,300 new cancer cases globally in 2012. The authors project a significant increase in the proportion of cancers attributable to these risk factors, particularly in low- and middle-income countries.
Researchers have developed a new material that combines high-refractive-index material and magnetic garnet to yield ten times enhanced performance. The material, amorphous tantalum yttrium oxide, retains transmissivity after thermal treatment at 850°C.
Researchers have successfully bred soybeans with both high yields and high protein levels, addressing a long-standing challenge in plant breeding. The genetic findings suggest that a specific gene on chromosome 15 can increase protein concentration without significantly decreasing yields.
A study found that a high-salt diet shrinks beneficial gut bacteria, leading to pro-inflammatory immune cells and high blood pressure. Probiotics can reverse these effects in mice and humans, suggesting potential therapeutic target for treating high blood pressure.
Researchers have found that crested pigeons produce a critical high-pitched sound as they fly away from danger, which serves as an alarm signal. The birds' wings produce alternating high and low notes in flight, with the high notes being crucial for sounding an alarm.
A recent study found that children with high blood pressure at night experienced a faster time to kidney failure than those with normal blood pressure. The study also showed that patients with high blood pressure during both day and night had an even more rapid decline, highlighting the importance of nighttime blood pressure control in...
A study found that captive bears fed a diet high in saturated fats and low in polyunsaturated fats did not develop insulin resistance or other diseases. However, mild inflammation and heart strain were observed, raising concerns about the long-term health of bears in the wild that feed on human refuse.
A machine learning tool can accurately predict which high-risk breast lesions are at low risk of becoming cancerous, allowing for safer monitoring instead of surgery. The model correctly identified 97% of cases and avoided almost one-third of benign surgeries.
A recent study led by Mayo Clinic researchers found that tumor-infiltrating lymphocytes present in high-grade ovarian cancer tumors can predict patient survival. The study analyzed over 5,500 patients from nine countries and discovered that higher levels of these immune cells were associated with better outcomes.
Research finds that people with both serrated polyps and conventional adenomas are at a higher risk for colorectal cancer than those with conventional adenomas alone. The study suggests that these individuals may need more intense surveillance to detect potential high-risk adenomas.
A study published in Neurology found a significant increase over 10 years in the percentage of people with stroke who have high blood pressure, diabetes, and other risk factors. The prevalence of these risk factors increased from 88% to 93%, with high cholesterol and drug abuse rates doubling.
A study published by the American Academy of Neurology found that high blood pressure in women's 40s is associated with a 65% increased risk of dementia. Women who developed high blood pressure in their 40s were 73% more likely to develop dementia than those with stable blood pressure throughout their 30s and 40s.
A study found that consuming high sugar diets increases fat levels in the blood and liver, raising cardiovascular health risks. Healthy men with low liver fat showed similar changes after consuming a high sugar diet, highlighting the importance of sugar intake regulation.
A study of 180 teenagers found evidence of organ damage in those with normal blood pressure and those in the mid-risk group. Researchers suggest that imaging of the heart may be useful to determine how aggressive therapy should be for youth in the high-normal range of blood pressure.
A new study from Columbia University Irving Medical Center identified a potential biomarker that predicts atypical development in 1- to 2-month-old infants at high familial risk for developing autism spectrum disorders. Infants at high risk have elevated 'noise' and increased randomness in their spontaneous head movements during sleep.
A new independent study confirms that 73% of ERC projects have made breakthroughs or major scientific advances. The European Research Council's blue sky research is achieving its goals of funding high-risk/high-gain projects and interdisciplinary frontier research.
New research reveals young adults, particularly men, are at higher risk for heart attack and stroke due to inadequate high blood pressure awareness and management. Young adults are more likely to be obese and have lower rates of blood pressure treatment and control compared to middle-aged and older adults.
A 14-year study found that statins reduce breast cancer risk by 45% and mortality risk by 40%. Women with high cholesterol had significantly lower breast cancer rates and improved survival rates compared to those without high cholesterol.
Researchers found that extremely high HDL levels are associated with a higher mortality rate than normal levels. Men with extremely high levels had a 106% higher mortality rate, while women had a 68% higher mortality rate. The study suggests that the focus on HDL as an important health indicator may need to be revised.
A new study found that motivating high school classroom environments can positively influence students' STEM interests, with 65% of students showing STEM career intentions in classrooms with perceived high levels of peer interest. Peer interest was also linked to improved or maintained grades in science and math courses.
A national study finds that state investments in high-tech industries pay off, even in places with less ideal prospects. Patience and modest expectations are key to success, according to University of Illinois professor Kevin Leicht.
A study published in JAMA Neurology found that individuals born in high stroke mortality states have a higher risk of developing dementia. Black participants had the highest risk, with cumulative 20-year dementia risks at age 65 being 30.13% compared to 21.8% for those not born in high stroke mortality states.
Researchers at Nagoya University have created a high-speed cell sorting method that can sort large cells with high viability, purity and success rates. The technique uses microfluidic chip-based dual on-chip pumps to control flow, enabling rapid sorting of both small and large cells.
Individuals with high levels of psychopathic traits are better at learning to lie than those with few psychopathic traits, according to a study. After practicing a lying task, individuals with high psychopathic traits showed significant improvements in response time, whereas those with low psychopathic traits did not.
A large clinical trial found that the high-dose flu vaccine significantly reduced hospitalization rates among nursing home residents, with a relative risk of hospitalization being 12.7 percent lower for the high-dose group. The vaccine also appeared to help prevent hospitalization for other problems, including cardiovascular symptoms.
A study published in JAMA found that high-dose vitamin D administration among children aged 1-5 did not reduce wintertime upper respiratory tract infections. The daily supplementation of 2000 IU/d or 400 IU/d had no significant effect on the number or duration of infections.
A new study published in JAMA found that giving healthy children high doses of vitamin D during the winter did not reduce the number of colds they got. The study, led by Dr. Jonathon Maguire, involved 700 children who received either a standard or high dose of vitamin D, with no difference in cold frequency between the two groups.
New research from Rice University reveals that more children are living in high-poverty neighborhoods after the Great Recession, with a significant increase in non-Hispanic white children. Children in these neighborhoods are on average a year behind academically, according to standardized math, reading and writing assessment tests.
Men who are tall and obese have an increased risk of high grade prostate cancer and death from prostate cancer, according to a study published in BMC Medicine. The research found that height is not associated with overall prostate cancer risk but increases the risk of high grade disease and death by 21% and 17% respectively.
Researchers found that infants born with high birthweight were at risk of obesity from an early age, highlighting the importance of early attention and lifestyle changes. The study suggests that pediatricians may counsel parents of high birthweight babies to prevent weight gain and related health problems.