Articles tagged with Caffeine
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Researchers found that low-to-moderate caffeine intake was associated with a reduced risk of developing gestational diabetes. Drinking up to 100mg of caffeine per day during the second trimester showed a 47% reduction in diabetes risk.
A study by Veronika Somoza's team found that gallic acid stimulates gastric cells to secrete acid via the bitter receptor TAS2R4. The plant substance affects acid secretion regardless of whether it is added to water or red wine. This discovery provides new insights into the functions of bitter receptors in food ingredients.
A recent study measured 60 DBPs in three types of tea and found that brewed tea contained significantly lower levels of DBPs than tap water. However, the researchers also identified 15 previously uncharacterized compounds that likely form from chlorine reactions with natural precursors in tea leaves.
A recent study published in Frontiers in Nutrition found that healthy dietary patterns are associated with higher frequency of exercise and mental wellbeing in young adults. The researchers discovered that exercising within a healthy dietary pattern maximizes the beneficial effect of healthy food and minimizes the impact of triggers.
Researchers found that feeding bumble bees caffeine improves their ability to recognize specific flower odors and remember the location of nectar-rich flowers. However, this effect is short-lived, as the bees quickly adapt and lose their preference for caffeinated flowers.
A large study found no link between moderate coffee consumption and arrhythmia, with a 3% lower risk observed among participants. The researchers suggest coffee's antioxidant and anti-inflammatory properties may play a role in reducing arrhythmia risk.
A large-scale study found that high caffeine intake may increase the risk of glaucoma by three-fold in individuals with a strong family history. Caffeine consumption above 480mg daily was associated with higher intraocular pressure and increased glaucoma prevalence.
A new survey found that nearly two-thirds of adults expressed concern about worsening moods during Lockdowns, with coffee helping to lift almost half of their negative moods. The study also revealed that lockdowns had a significant impact on mental health, with twice as many people concerned about mental health than physical inactivity.
Researchers found that people with high blood pressure are more likely to drink less coffee or choose decaf, highlighting the role of genetics in regulating coffee consumption for cardio health. Genetic tolerance to caffeine is linked to coffee drinking habits, suggesting a protective mechanism.
A recent study found a causal genetic link between coffee consumption and cardio health, suggesting that genetics play a role in regulating safe levels of caffeine. People with high blood pressure are more likely to avoid or limit their caffeine intake.
A 21-year-old's excessive energy drink consumption has been linked to heart failure, highlighting the potential risks of these drinks. The case report warns of the need for clear warnings about the cardiovascular dangers of large-scale energy drink consumption.
A study found that pregnant women who consumed moderate amounts of caffeine had infants with smaller birth sizes, lower lean body mass, and smaller head circumferences. This may increase the risk of obesity and related health issues later in life.
A new study published in Journal of the International Society of Sports Nutrition found that consuming caffeine before aerobic exercise significantly increases fat-burning. The study's results suggest that combining acute caffeine intake with exercise performed at moderate intensity in the afternoon is the optimal scenario for increasi...
New research reveals that diet plays a major role in improving mental health, with different age groups and genders requiring unique dietary approaches. The study found that young adults need more energy and nutrients due to brain development, while men and women have distinct nutritional needs influenced by biological sex.
A study by researchers at the University of Basel found that regular caffeine intake can change the gray matter of the brain, but these effects are temporary. The study involved 20 healthy young individuals who were given caffeine or placebo tablets for two 10-day periods, with no sleep disruption observed.
Engineers at UC San Diego developed a soft, stretchy skin patch that monitors cardiovascular signals and multiple biochemical levels in the human body. The patch tracks blood pressure, glucose, lactate, alcohol, and caffeine levels, providing a comprehensive overview of the wearer's health.
Researchers found that caffeine exposure in utero is linked to changes in brain structure and function, particularly in white matter tracks. This study suggests that high caffeine intake during pregnancy may contribute to behavioral issues in children, highlighting the need for further research and guidance on safe caffeine limits.
The report highlights the impact of coffee consumption timing on sleep quality, suggesting that limiting caffeine intake six hours prior to bedtime can help lessen its effects. For those sensitive to caffeine, this approach may improve overall sleep outcomes.
A recent study by the University of Tsukuba found that drinking two cups of oolong tea a day can increase fat breakdown by about 20% in healthy volunteers. This effect was observed even when participants were asleep, suggesting a potential role for oolong tea in weight management.
Research suggests that maternal caffeine consumption is linked to various adverse pregnancy outcomes, including miscarriage, stillbirth, and childhood obesity. Current health recommendations for caffeine during pregnancy may need radical revision as the evidence points towards no safe level of consumption.
Analysis of participants in the Harvard Biomarkers Study reveals an inverse association between low caffeine consumption and higher urate levels with reduced risk of Parkinson's disease. The study suggests that both caffeine and urate possess neuroprotective properties, raising potential for disease-slowing effects.
A new study using wastewater-based epidemiology (WBE) analyzes caffeine, tobacco, and alcohol consumption in a large university population, providing valuable data on psychotropic compound use. The findings highlight the utility of long-term monitoring networks for improving student health and identifying disease trends.
A recent study by University of Arkansas researcher Darya Zabelina found that caffeine significantly improves convergent thinking, while having no impact on divergent thinking. Caffeine consumption did not affect working memory, but improved mood and reduced feelings of sadness in test subjects.
Researchers found that contaminant concentrations increased during warmer months, with higher risk to fish during spawning stages. The study also discovered that nonpoint sources, such as agricultural runoff, were the primary contributor to contaminant levels in high-flow periods.
A new study uses caffeine to explore active cognitive processing stages in adults using a Go/NoGo task. The researchers found qualitatively different effects of caffeine on adults compared to children, providing clues about adult cognitive strategies and their dependence on the adenosine system.
A new study in rats suggests that caffeine may offset some of the negative effects of an obesogenic diet by reducing lipid storage and limiting weight gain. Caffeine decreased lipids in adipose cells by 20%-41% and downregulated genes associated with obesity.
Researchers explore the role of adenosine in neurodegeneration and neuroregeneration, with a focus on its potential as a drug target for treating amyotrophic lateral sclerosis (ALS). Studies review changes in adenosine metabolism and receptor function in ALS patients and experimental models.
A study by Oregon State University found that 18 batches of supposedly pure human blood serum contained caffeine, cough medicine, and anti-anxiety drugs, highlighting potential issues with contaminated blood transfusions. The research also tested for interactions between botanical supplements and prescription drugs.
A new study has found that drinking caffeinated coffee improves speed of cycling in both men and women. The study, which investigated the effect of coffee ingestion on 5km cycling time trial performance, revealed that coffee had a positive impact on performance in both sexes.
A McMaster University study found that teens who spend more time on TV and electronic devices consume more sugared and caffeinated drinks. The research suggests that counseling or health promotion could help address this issue, which is linked to obesity, diabetes, and other health problems.
A West Virginia University researcher is studying the connection between caffeine consumption, sleep deprivation, and alcohol use among middle school students. The study aims to identify factors that increase the risk of substance use initiation, with potential preventive measures such as curbing energy drink consumption.
A study published in the American Journal of Medicine found that one to two servings of caffeinated beverages per day were not associated with an increased risk of headaches for patients with episodic migraine. However, consuming three or more servings may be linked to a higher risk of migraines on the same day or the following day.
A new study in The American Journal of Medicine found that drinking three or more caffeinated beverages a day increases the odds of triggering a migraine headache on the same or next day. However, consuming one to two servings per day did not appear to be linked to developing a migraine headache.
A large longitudinal sleep study found that evening use of nicotine and alcohol within four hours of bedtime was associated with disrupted sleep. In contrast, caffeine consumption did not have a significant impact on sleep parameters. The study's findings suggest that promoting the restriction of evening nicotine and alcohol use may im...
A study published in the Journal of Endocrinology found that high levels of caffeine during pregnancy can lead to lower birth weights, altered growth hormone levels, and impaired liver development. The study suggests that excessive prenatal caffeine consumption may increase the risk of fatty liver disease in adulthood.
A new algorithm-based tool optimizes caffeine consumption to maximize alertness while minimizing excessive intake. The study found that the tool required on average 40% less caffeine or enhanced alertness by an additional 40%.
A systematic review of 483 adults found that nicotine and caffeine withdrawal can lead to agitation, delirium, and increased risk of dying in ICUs. Nicotine substitution therapy was shown to contribute to ICU delirium, while caffeine supplementation may help with headaches.
A study published in the Journal of the American Heart Association found that consuming energy drinks can increase the risk of electrical disturbances in the heart, which affect heart rhythm. The study also found a statistically significant increase in systolic and diastolic blood pressure in participants who consumed energy drinks.
Researchers found that coffee suppresses bacteria growth in the gut and increases muscle motility, regardless of caffeine content. This could lead to potential treatments for post-operative constipation and ileus.
Researchers at the University of Portsmouth found habitual coffee drinkers are faster and more sensitive to coffee aromas compared to non-coffee drinkers. The more they crave coffee, the better their ability to detect its scent.
Research from the University of South Australia finds that drinking six or more coffees a day can be detrimental to cardiovascular health, increasing the risk of heart disease. The study suggests that limiting coffee consumption to fewer than six cups a day is essential for maintaining a healthy heart and blood pressure.
A new study found that daily intake among adolescents and middle-aged adults may be leveling off, but use by young adults continues to rise. Energy drinks are linked to negative health consequences due to high caffeine content and added sugar.
Researchers found that pre-treatment with caffeine prevented PGE1-induced respiratory complications and inflammation in baby rats. Caffeine, commonly used to treat apnea of prematurity, may offer similar benefits for infants with congenital heart disease.
Scientists have discovered that caffeine can improve the performance and thermal stability of perovskite solar cells, increasing their efficiency from 17% to over 20%. The unique molecular structure of caffeine allows it to interact with perovskite precursors, giving this technology an edge on the market.
A Monash University study found that exposure to coffee-related cues can trigger cognitive benefits, such as increased alertness and energy levels, in participants from Western cultures. The research used mental construal theory and demonstrated the power of psychological associations in shaping our thinking and behavior.
Researchers discovered that reduced adenosine kinase expression in the liver makes it more susceptible to carcinogenic damage and liver cancer. In a study published in Journal of Caffeine and Adenosine Research, scientists found that 64% of patients with liver cancer had lower adenosine kinase expression levels.
A study identified a common mechanism implicating adenosine in RLS symptoms, including periodic limb movements and enhanced arousal. Targeting the downregulation of the adenosine A1 receptor may be a promising therapeutic strategy for RLS.
Researchers developed a microfluidic model of the placenta, allowing for the study of caffeine transport from mother to fetus. The model showed that some caffeine does pass through, raising questions about maternal intake and fetal exposure. Further studies aim to personalize the technology and explore effects on individual cells.
Researchers suggest caffeine as a potential therapeutic tool for treating motivational symptoms of depression and cognitive impairments in attention-deficit/hyperactivity disorder. A new study also proposes targeting the adenosine A1R-D1R heteromer to improve spinal cord injury outcomes.
A new study led by UCalgary researcher finds that early caffeine treatment has no long-term negative effects on neurodevelopment, but is associated with better cognitive scores. The therapy also reduces the risk of cerebral palsy and hearing impairment in premature babies.
Researchers at Rutgers University discovered that a fatty acid derivative of serotonin in coffee beans' waxy coating, EHT, combined with caffeine can protect against brain degeneration. This combination boosts the activity of a catalyst that prevents protein accumulation associated with Parkinson's disease and Lewy body dementia.
A study found that people with a higher sensitivity to bitter caffeine taste drink more coffee due to learned positive reinforcement. Genetic variants play a role in this association, suggesting that our perception of bitter tastes contributes to beverage preferences.
Scientists have identified a wild tea plant in China that contains virtually no caffeine and may provide the health benefits of regular brewed teas. The newly discovered plant, known as hongyacha, was found to contain several potentially health-promoting compounds not found in regular tea.
Consuming caffeine from coffee, but not tea or soda, was associated with a decreased risk of rosacea. This observational study found that four servings or more of caffeinated coffee per day were linked to the lowest risk of rosacea.
A senior doctor calls for a ban on the sale of caffeinated energy drinks to children in England, citing concerns over obesity and mental health problems. The Royal College of Paediatrics and Child Health supports these restrictions, highlighting the need for improved evidence to protect young people's health.
A new study suggests that moderate caffeine consumption may help reduce the risk of death for individuals with chronic kidney disease. Participants who consumed more caffeine had a nearly 25% lower risk of mortality over a median follow-up period of 60 months.
A new study published in Journal of the Academy of Nutrition and Dietetics found that caffeine reduces food intake by 10% at breakfast, but this effect does not persist throughout the day. The study also showed no impact on participants' perceptions of their appetites.
A new study investigates the extremely rapid changes in electron density in specific sites of the caffeine molecule using ultra-fast laser pulses. The results show that positive charge migration along a molecular backbone depends on the timing and interplay of ionisation channels.
A new study of nearly half a million people in the UK found that heavy coffee drinking was associated with a lower risk of death, regardless of genetic variations or caffeine metabolism. The results suggest a potential health benefit from moderate to high coffee consumption.
A new study reveals that caffeine promotes the movement of a regulatory protein into mitochondria, enhancing their function and protecting cardiovascular cells. The protective effect was reached at a concentration equivalent to consumption of four cups of coffee, suggesting the effect may be physiologically relevant.