Articles tagged with Caffeine
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.
Researchers developed an algorithm to determine the optimal caffeine dosage and timing for maximum alertness during sleep loss. The 2B-Alert app uses a validated mathematical model and optimization algorithm to provide personalized caffeine-dosing strategies, improving alertness by up to 64%.
A new study from Ohio State University suggests that coffee can improve teamwork by making people more alert. Researchers found that participants who drank caffeinated coffee rated themselves and their group members more positively after a task.
A newly developed algorithm determines ideal caffeine dosage and timing for optimal alertness. The algorithm improves neurobehavioral performance by up to 64% using the same total amount of caffeine, or reduces caffeine consumption by up to 65% while maintaining equivalent improvements in alertness.
A study found that moderate coffee consumption during pregnancy is associated with a higher risk of overweight or obesity in school-age children. Researchers suggest increasing caution and reducing caffeine intake to minimize this risk.
Exposure to moderate to high caffeine levels while pregnant is associated with excess weight gain in early childhood. High caffeine intake during pregnancy was linked to a 15-66% increased risk of faster excess growth in infancy and overweight at ages 3 and 5 years.
Researchers at MIT and Brigham and Women's Hospital have developed biocompatible gels for drug delivery using caffeine as a catalyst, eliminating the need for hazardous metal catalysts.
Caffeine found to exacerbate neuropsychiatric symptoms in Alzheimer's disease, impacting anxiety and cognitive flexibility. Long-term consumption worsened BPSD-like symptoms in mouse models.
A study of 1213 Italian adolescents found that nearly half exceeded the American Academy of Pediatrics' recommended daily caffeine intake. Coffee was the main contributor to daily caffeine consumption, highlighting the need for awareness campaigns to reduce caffeine intake among adolescents.
The Estée Lauder Companies presents research on new anti-aging compounds, including hydroxypinacolone retinoate (HPR) that improves skin appearance without irritation. Caffeine enhances epidermal hydration by increasing the transepithelial electric potential and electro-osmosis.
The American College of Sports Medicine (ACSM) has published new safety recommendations for energy drink consumption, particularly among children, adolescents, and individuals with cardiovascular conditions. The guidelines warn against excessive caffeine intake and advise against using energy drinks before or after strenuous exercise.
Researchers found that people with Parkinson's disease had significantly lower caffeine levels in their blood, even if they consumed the same amount as those without the disease. The study suggests a simple test for early diagnosis could be developed using caffeine levels.
A new review of energy drinks highlights their advertised benefits can be outweighed by serious health risks. The study recommends restricted sales to children and adolescents and setting evidence-based caffeine limits.
A dose-dependent inverse association was found between caffeine consumption and early death in patients with chronic kidney disease. The study, presented at ASN Kidney Week 2017, suggests that advising patients to drink more caffeine may reduce mortality.
A new study from Scripps Research Institute found that sleep loss cannot be explained by caffeine intake alone, but rather by changes in feeding behavior. The research suggests that studying sleep and eating together could lead to the development of therapies for metabolic disorders like obesity and diabetes.
A survey of European workers found that workplace coffee drinking habits are shaped by time, taste, and desire for productivity. Workers reported that coffee consumption was linked to improved alertness and attention, with 56% saying it helped them feel more alert.
A study of 121 people with Parkinson's disease found that consuming three cups of coffee per day did not improve movement symptoms. The researchers concluded that caffeine cannot be recommended as therapy for movement symptoms of Parkinson's disease.
Women with diabetes who regularly drink caffeinated coffee or tea may live longer than those who don't consume caffeine at all. The study found that higher levels of caffeine consumption from coffee were associated with a reduced risk of death from any cause, particularly from cardiovascular disease.
Research at Cornell University found that caffeine tempers taste buds, making food seem less sweet. The study suggests a link between adenosine receptors and taste perception, demonstrating real-world effects of the stimulant on human taste.
A new study reveals that sleep deprivation significantly enhances postoperative pain behaviors and extends recovery time after surgery. Caffeine blocks this effect by blocking adenosine in the brain, suggesting a potential novel intervention for improving postoperative pain management.
Researchers found that increasing roasting levels reduced antioxidant and anti-inflammatory activities in coffee extracts, with chlorogenic acid varying by roast level. The study suggests some beneficial compounds may be affected by the roasting process.
The tea tree genome contains diverse genes that produce antioxidants and caffeine, contributing to its rich flavors. Researchers have successfully sequenced the genome, which is four times larger than the coffee plant genome and contains multiple copies of disease-resistant genes.
A new study published in the Journal of the American Heart Association found that energy drinks cause more profound changes in heart activity and blood pressure compared to caffeinated drinks. Energy drink consumption resulted in a corrected QT interval 10 milliseconds higher at 2 hours, indicating potential arrhythmia risks.
A new systematic review confirms that moderate to high levels of caffeine intake (up to 400 mg/day) are not associated with adverse health effects in healthy adults. The review also highlights the need for further research on sensitive populations, such as pregnant women and children.
A new study from the University of Georgia found that 10 minutes of stair walking boosted participants' energy levels, even surpassing the effects of 50mg of caffeine. The research aimed to simulate office settings where workers spend hours sitting and don't have time for longer exercise sessions.
Researchers found low sperm quality parameters linked to unhealthy diets rich in saturated fats and processed meat. Conversely, healthy foods like fish, fruits, and vegetables were positively associated with improved sperm quality.
A study by Indiana University researchers has identified 24 compounds with the potential to boost an enzyme in the brain that protects against dementia. Caffeine was found to increase production of this enzyme, which also shows promise in reducing the impact of harmful proteins in the brain.
A new report from the Institute for Scientific Information on Coffee highlights the potential role of coffee consumption in reducing age-related cognitive decline and neurodegenerative diseases. Moderate coffee intake (3-5 cups per day) may provide protection against cognitive decline, with caffeine likely playing a key role.
A clinical trial found no association between caffeine ingestion and arrhythmic episodes in patients with heart failure. The study included 51 patients who received high doses of caffeine or placebo over a five-hour period, with no evidence of an arrhythmogenic effect.
A study at Northwestern University found that genetic variants affect how people metabolize caffeine, impacting their coffee consumption habits. The research also discovered a link between caffeine metabolism and nicotine metabolism, with potential implications for precision medicine.
Researchers found that people who closely follow the Mediterranean diet, especially consuming fruit and caffeine, have a lower risk of age-related macular degeneration. A significant reduction in risk was observed among those with higher diet adherence scores, with only 39% developing AMD compared to 50% of non-adherents.
Researchers at the University of Surrey have found that meal times play a crucial role in resetting the body clock for long-haul cabin crew. By eating regular meals on their days off, crew members can alleviate symptoms of jetlag and improve their overall well-being.
A 10-year study found that moderate to high caffeine consumption was linked to a 36% reduced risk of dementia. The researchers analyzed data from over 6,400 postmenopausal women and adjusted for various risk factors.
A study found that caffeine and its analogues restore memory deficits by addressing abnormal stress response mechanisms in the brain. Researchers normalized aging-like profiles in rats, reversing memory impairments linked to increased stress hormones.
A study identified a gene that appears to curb coffee consumption in people with a specific DNA variation. Those with the PDSS2 gene tend to drink fewer cups of coffee due to their cells' reduced ability to break down caffeine, resulting in a longer-lasting caffeine effect.
A Queensland University of Technology road safety study found that bright light combined with caffeine improved driving performance and alertness in chronically sleep-deprived young drivers. The study also revealed that driver sleepiness accounted for 20% of all crashes in developed countries.
A new case report suggests that energy drink consumption may lead to cardiac complications, including abnormal heart rhythms. The study highlights the potential risks of high caffeine content in energy drinks and encourages healthcare providers to ask about energy drink intake in patients with unexplained arrhythmias.
A new study by the American Academy of Sleep Medicine found that caffeine use no longer improved alertness or performance after three nights of sleep restriction. The study, which involved 48 healthy individuals, showed that relative to placebo, caffeine significantly improved Psychomotor Vigilance Task (PVT) performance during the fir...
A recent study published in Journal of Nutrition Education and Behavior found that nearly half of adolescents consume caffeinated beverages one to six times a week. Researchers believe that further education could lead to better decision-making regarding caffeine intake and mitigate potential health risks.
Regular caffeine consumption does not lead to extra heartbeats, contrary to clinical belief. A 12-month study of 1,388 participants found no association between frequent coffee, tea, or chocolate consumption and cardiac rhythm disturbances.
A study suggests that reducing perception of effort during exercise with caffeine can help people stick to their fitness plans. Researchers found that the majority of people give up on exercising within six months due to lack of motivation and physical exertion, which is a natural response to conserve energy. The use of psychoactive dr...
A QUT study reveals that rumble strips are effective in alerting sleepy drivers to pull over, reducing the risk of fatal crashes. The research found that drivers hit a rumble strip after 20 minutes of driving and that taking breaks and using countermeasures like napping or caffeine can increase driver alertness.
A recent study published in American Journal of Epidemiology found that moderate amounts of caffeine during pregnancy do not harm the child's intelligence or behavior. Researchers analyzed data from 2,197 expectant mothers and found no associations between maternal caffeine intake and childhood obesity or behavioral problems.
A new study led by American University professor Laura M. Juliano found that brief cognitive-behavioral therapy can significantly reduce caffeine consumption in individuals with problematic caffeine use, with an average decrease of 77%, and most participants reduced their daily intake to below 200mg.
A recent study found that energy drink consumption significantly increases systolic and diastolic blood pressure by 6.2% and 6.8%, respectively, and elevates norepinephrine levels by 74% after a single can of the drink.
A study found associations between masculinity ideology, energy drink consumption, and sleep disturbances among young white men. Energy drinks are often marketed as 'masculine' products, leading some men to feel pressure to consume them to perform masculinity.
Researchers found that caffeinated nectar tricks honey bees into valuing it as a higher quality forage, leading to increased foraging and recruitment behaviors. The study suggests that plants may be using caffeine as a way to deceive pollinators.
A CU-Boulder study shows that evening caffeine consumption can delay the internal circadian clock by approximately 40 minutes. The researchers also found that bright light exposure induces even greater phase delays, suggesting a possible ceiling effect on human circadian clocks.
A 12-year study of over 1,200 patients found that heavy coffee drinkers had a four-fold increased risk and moderate drinkers tripled their risk of heart attacks. The effect may be mediated by long-term influences on blood pressure and glucose metabolism.
The coffee berry borer beetle relies on its gut microbiota to break down and detoxify caffeine, a toxic compound that harms most insects. Researchers discovered 14 bacterial species in the beetles' digestive tracts that degrade caffeine, with one species possessing a gene that enables this process.
A study published in PLOS ONE found that moderate caffeine consumption is associated with lower rates of erectile dysfunction. Men who consumed 85-170mg or 171-303mg of caffeine per day were 42% and 39% less likely to report ED, respectively, compared to those who drank zero to seven milligrams.
A recent study warns that adolescents consuming energy drinks are at risk of sudden cardiac deaths and arrhythmias. The researchers recommend caution when it comes to ED consumption before or during sports practice, as well as consulting cardiologists for underlying medical conditions.
A review article published in Journal of Caffeine Research suggests that caffeine may be used to treat or prevent Alzheimer's disease by reducing beta amyloid plaque accumulation. The study identifies potential opportunities for using caffeine to slow the progression of Alzheimer's disease.
A study by Mayo Clinic researchers found that energy drinks increase resting blood pressure, particularly in caffeine-naive individuals, doubling their blood pressure compared to a placebo.
A new study suggests that drinking coffee may reduce the risk of developing multiple sclerosis (MS). Researchers analyzed data from two studies involving over 3,700 people with MS and found that those who consumed high amounts of coffee had a lower risk of developing the disease. The study supports the idea that caffeine may have prote...