Articles tagged with Coffee
Researchers from KU Leuven discovered how a bacterium produces substances that counteract the coffee ring effect at the microscopic level. The findings reveal that adding surfactants to materials can create a more uniform distribution of particles during evaporation.
A study at Lund University found that drinking two or more cups of coffee daily may reduce the risk of breast cancer recurrence in patients taking Tamoxifen. Caffeine has been shown to hamper cancer cell growth and activate Tamoxifen, making it more efficient.
Researchers have found that chlorogenic acids extracted from unroasted coffee beans can significantly reduce blood sugar levels and improve glucose control. The study involved 56 men and women who took different doses of a commercial green coffee extract, with results showing a dose-response effect and no gastrointestinal side effects.
A study by Johns Hopkins Medicine has identified DNA-damaging toxins in commonly consumed plant-based foods, including liquid smoke flavoring, black and green teas, and coffee. The toxins, pyrogallol and gallic acid, can activate the p53 gene, which is associated with cancer.
Researchers found that boiled Greek coffee consumption was associated with improved endothelial function and reduced blood pressure, even in those with high blood pressure. The study suggests that the polyphenols and antioxidants in this type of coffee may be beneficial for cardiovascular health.
Research suggests that moderate coffee and tea consumption during pregnancy may be associated with lower birth weights, which can lead to health complications in the long term. The study, conducted on 59,000 pregnant women, found a correlation between caffeine intake and small for gestational age (SGA) babies.
Scientists have shown that caffeine enhances a honeybee's memory of floral traits, allowing them to remember flowers better. This discovery could lead to improved pollination and plant recruitment.
A large study found that as coffee drinking increased, the risk of death decreased in older adults. The study's author discusses potential links between coffee consumption, caffeine intake, and various causes of disease.
Research published in BMC Medicine found that caffeine from all sources reduces birth weight and increases pregnancy length by 5 hours per day. Caffeine intake from coffee was associated with an even longer gestational length, increasing risk of small for gestational age at birth by almost a third
Researchers have developed a superoleophobic surface using nanoscale coating that repels virtually all liquids, including chemicals and fuels. The technology has potential applications in uniform clothing, thermal management, fuel purification, and leak control.
Researchers found that filter and espresso coffeemakers leave more antioxidants in used coffee grounds, making most grounds a good source of useful substances. The extracted compounds can still be used as fertilizer after extraction.
A large study of 263,925 adults found that drinking more than four cans of soda per day increased the risk of depression by 30%, compared to those who drank no soda. Conversely, drinking four cups of coffee per day was associated with a 10% lower risk of depression.
Physicists at JILA have successfully cooled a gas of hydroxyl radicals to extremely low temperatures using evaporative cooling. The process enables precise control over molecular energies and interactions, paving the way for advances in ultracold chemistry and quantum simulators.
A new study by the American Cancer Society finds a strong inverse association between caffeinated coffee intake and oral/pharyngeal cancer mortality. Consuming more than four cups per day was associated with a 49% lower risk of death from these cancers.
Recent studies suggest that moderate coffee consumption may reduce the risk of developing type 2 diabetes. Epidemiological evidence shows a 25% lower risk associated with three to four cups of coffee per day.
A comparative study of 80 patients found that coffee consumption reduced recovery time for bowel movements and tolerance of solid food after colon surgery. Coffee also helped patients pass stool sooner, with an average time of just over 60 hours.
A new study links heavy caffeinated coffee consumption to an increased risk of developing exfoliation glaucoma, the leading cause of secondary glaucoma worldwide. Women with a family history of glaucoma are also at higher risk.
A Northwestern University study reveals that our brains make complex decisions for us without our knowledge or consent. Researchers found that even when people are aware of the trick, their brains still rely on visual information to guide hand movements.
A new food biorefinery converts bakery waste and coffee grounds into succinic acid, a key ingredient for making plastics and detergents. The process reduces environmental impact and produces a sustainable alternative to fossil fuels.
A lack of access to clean water and sanitation affects 2.6 billion people, causing preventable illnesses and deaths. Women in developing countries can play a key role in addressing this issue if given the chance.
A University of Utah study found that agroforests with shade-grown coffee and cacao promote greater bird diversity compared to open farmland. The findings suggest that as forests are converted to open agriculture, bird species providing ecosystem services like insect control, seed dispersal, and pollination may decline.
Researchers discovered that lady beetles intercept and utilize Azteca instabilis ants' alarm pheromones to locate safe egg-laying sites. This finding reveals a complex interaction between insects, with potential implications for pest management on coffee plantations.
A study at McGill University Health Centre found that caffeine improved motor symptoms in people with Parkinson's disease by increasing speed of movement and reducing stiffness. Larger-scale studies are needed to confirm these findings and explore caffeine as a treatment option.
A Danish study found that women who drink five or more cups of coffee a day have a 50% reduced chance of success in IVF treatment. The live birth rate was also lower by 40%. The researchers suggest that women should not consume more than five cups of coffee a day when undergoing IVF.
A study published in Cancer Research found that increasing coffee consumption is inversely associated with the risk of developing basal cell carcinoma, the most common form of skin cancer. The study's results suggest that caffeine may be responsible for this decreased risk.
A new study suggests that moderate coffee consumption may offer protection against heart failure, with a reduced risk of 11% observed among moderate drinkers. The research found that four to five cups of coffee per day provides the strongest protection, while excessive consumption may pose potential harm.
Moderate coffee consumption as part of a daily routine may be linked with a significantly lower risk of heart failure. The study found that moderate coffee drinking reduces the risk by as much as 11 percent, while excessive consumption has no benefit and may even be dangerous.
A recent study found that moderate coffee consumption can appreciably reduce the risk of Alzheimer's disease and delay its onset. Higher blood caffeine levels were associated with a reduced risk of dementia or delayed onset, suggesting that coffee may be a protective factor against Alzheimer's.
Customers are using laptops, phones, and coffee cups to shield themselves from others in cafes, decreasing space turnover and discouraging other patrons. Cafes and coffee shops must now design space to accommodate different customers' needs and consider the impact of personal technology on face-to-face interactions.
Researchers found two groups of consumers with distinct reactions to good and bad experiences: pleasure-seekers and pain-avoiders. Pain-avoiders exhibit a conservative bias, feeling less joy in positive experiences.
Consuming sugar-sweetened and low-calorie sodas is associated with a higher risk of stroke, while decaffeinated coffee may reduce the risk. Higher soda consumption also leads to high blood pressure, high cholesterol, and lower physical activity rates.
A 22-week cross-over study found that consuming green coffee extract resulted in an average weight loss of 17 pounds, with a 10.5% decrease in overall body weight and a 16% decrease in body fat.
Patients with relapsing onset MS who consumed alcohol, wine, coffee and fish took four to seven years longer to reach a walking aid than those who did not consume these items. In contrast, patients with progressive onset MS showed no significant differences in disease progression rates based on lifestyle factors.
In Colombia, an integrated pest management (IPM) program for coffee berry borer successfully reduced insect damage and improved quality. The program involved harvesting fewer berries per tree, increasing parchment coffee bean quality, and increasing the proportion of high-quality specialty coffee sold.
A new software app, Caffeine Zone, developed by Penn State researchers, can help people find the best time to consume caffeine for a mental boost without disrupting their sleep. The app provides personalized graphs based on individual caffeine intake and drinking habits.
Researchers at City College of New York develop an eco-friendly filter to remove hydrogen sulfide gas from the air, using carbonized coffee grounds. The activated carbon boosts its smell-fighting power with nitrogen from caffeine, capturing pollutants like H2S and potentially separating other toxic substances.
Research published in Hepatology found that moderate coffee consumption decreases the risk of advanced fibrosis in NASH patients. The study also showed a significant correlation between coffee intake and reduced risk of hepatic fibrosis, particularly among patients with NASH stage 0-1.
Researchers found that decaffeinated coffee improves glucose utilization in the brain, reducing the risk of neurocognitive problems associated with type 2 diabetes. The study suggests that decaffeinated coffee may have preventive benefits for cognitive decline caused by aging and neurodegenerative disorders.
A new NIH study found that moderate caffeine intake is associated with higher estrogen levels in Asian women and lower estrogen levels in white women. Caffeine consumption from caffeinated soda or green tea also linked to elevated estrogen levels in all ethnic groups, but without affecting ovulation.
Researchers found that people only feel the urge to mimic each other when they have the same goal, contradicting the idea that we are naturally inclined to copy others. In an experiment, participants synchronized their movements with an experimenter's choices in a card game when they shared a common goal
Heavy coffee drinkers have a lower risk of developing Type 2 diabetes, with four cups daily reducing the risk by 50%, and every additional cup by 7%. Coffee's beneficial effects may be attributed to compounds blocking human islet amyloid polypeptide (hIAPP) misfolding.
A team led by UC Riverside entomologist Thomas Miller is traveling to Rwanda to help solve the mystery of a defect called 'potato taste' that's threatening the country's specialty coffee exports. The team aims to determine the cause of the defect and devise a strategy to eliminate it.
A Florida State University study reveals that maximizing, or second-guessing, decision-making leads to reduced satisfaction with choices. Maximizers tend to obsess over decisions and then fret about their choices later, resulting in less commitment and happiness.
CNR Rao's research on metal oxides, nanomaterials and graphene has enabled him to become one of the world's most respected scientists. He has received numerous awards and honors, including the 2011 Ernesto Illy Trieste Science Prize.
A prospective study of over 72,000 participants found that women who consumed more than three cups of coffee per day had a 20% reduced risk for BCC, while men had a nine percent risk reduction. The study suggests that coffee consumption may be an important option to help prevent BCC.
A study of over 50,000 women found that those consuming two to three cups of caffeinated coffee per day had a 15% decrease in relative risk for depression, while those consuming four cups or more had a 20% decrease. Higher caffeine intake was linked to greater protection against depression.
The research found that elongated particles behave differently due to surface tension, leading to a uniform coating. The discovery could translate into new formulations for product coatings or better inks and paints.
Researchers at University of Pennsylvania discovered that changing particle shape can disrupt the coffee ring effect, a ring-shaped stain left after coffee drops evaporate. By using non-spherical particles, they found that it's possible to eliminate this phenomenon and achieve uniform coating deposition.
The study found that changing particle shape can eliminate the coffee ring effect, resulting in a uniform coating. This discovery has potential commercial applications, enabling new techniques for product coatings and inks.
Researchers discussed using Doppler weather radar to track bat behavior and effectiveness of acoustic deterrents in reducing bat fatalities at wind farms. Aeroecology also explored the role of atmospheric conditions in flight behavior, with studies on golf courses as potential habitats for roosting bats and the importance of insectivor...
Researchers from Dartmouth used waist-mounted wireless mobile devices to track elderly patients' physical activity and social interactions, finding strong correlations with established questionnaires. The study suggests that automated inference of behavior using mobile devices could be a valid and feasible tool for older populations.
A new study found that an unknown component of coffee interacts with caffeine to increase blood levels of a growth factor called GCSF, which fights off the Alzheimer's disease process. This boost is associated with improved memory and reduces the risk of cognitive decline.
A new study found that coffee consumption improved treatment response in advanced patients with chronic liver disease and hepatitis C. Patients who drank three or more cups of coffee per day were two times more likely to respond to treatment, with higher rates of early virologic response and sustained virologic response.
A large-scale study found that men who drink coffee regularly have a lower risk of developing lethal prostate cancer. The study, led by Harvard School of Public Health researchers, also showed that decaf and regular coffee both reduced the risk, with even moderate consumption offering significant protection.
A recent study published in Breast Cancer Research found that coffee consumption is associated with a lower incidence of ER-negative breast cancer. The research, which adjusted for other lifestyle factors, suggests that moderate coffee consumption may offer protective effects against this type of breast cancer.
New research suggests that caffeine is a rich source of antioxidants in the diet, helping protect against diseases like Alzheimer's and heart disease. The study provides detailed calculations on how caffeine interacts with free radicals, bolstering evidence for its healthful antioxidant effects.
A recent study found that coffee made from capsules contains higher levels of furan, a toxic compound linked to cancer, compared to drip coffee. The levels were highest in espresso and lowest in instant coffee. However, the amounts are still within safe limits for human consumption.
Researchers found that a fatty meal from fast food doubles blood sugar levels when paired with caffeinated coffee, leading to increased risk for people at risk for diabetes. The study suggests limiting saturated fat intake and decaf coffee consumption may help improve glucose tolerance.
A large-scale study of 34,670 women found that moderate coffee consumption was associated with a lower risk of stroke. The study suggests that coffee may have beneficial effects on the cardiovascular system, including reducing inflammation and improving insulin sensitivity.
A study published in Psychological Science found that people with full bladders make better decisions by holding out for larger rewards. This contradicts the concept of ego depletion, suggesting bladder control is an automatic process.