https://medicalxpress.com/ en-us Medical Xpress internet news portal provides the latest news on science including: Physics, Nanotechnology, Life Sciences, Space Science, Earth Science, Environment, Health and Medicine. Scientists have found that drinking two to three cups of coffee a day may significantly reduce your risk of developing dementia, but drinking more won't help protect your brain any further. https://medicalxpress.com/news/2026-02-morning-coffee-brain-age-sweet.html Sun, 15 Feb 2026 11:30:05 EST news689869187 Downing several strong energy drinks every day may pose a serious stroke risk, doctors have warned in the journal BMJ Case Reports, after treating an otherwise fit and healthy man in his 50s with a daily 8-can habit and exceedingly high blood pressure. https://medicalxpress.com/news/2025-12-heavy-energy-intake-pose-doctors.html Tue, 09 Dec 2025 18:30:08 EST news684405803 Perhaps the most intriguing implication of recent breakthrough research lies in an unexpected connection: the most rigorous mechanistic dissection of rapid antidepressant action identifies adenosine as the critical mediator, yet adenosine receptors are the primary target of caffeine, the world's most widely consumed psychoactive substance. https://medicalxpress.com/news/2025-11-caffeine-blocks-adenosine-pathway-fast.html Tue, 11 Nov 2025 01:00:01 EST news681994404 A new caffeine craze is brewing on social media—no kettle required. Caffeine pouches promise a fast, discreet hit of energy without the fuss of brewing coffee or cracking open an energy drink. But while they may look like a harmless pick-me-up, experts warn they carry real risks, especially for teenagers and people with underlying health conditions. https://medicalxpress.com/news/2025-10-caffeine-pouches-fast-hidden.html Wed, 01 Oct 2025 12:02:05 EDT news678538922 Have you recently cut down on caffeine and feel like you're having the most vivid dreams of your life? https://medicalxpress.com/news/2025-09-caffeine-vivid-science.html Mon, 08 Sep 2025 11:14:03 EDT news676548841 A cup of coffee or tea in the morning or an afternoon caffeine pick-me-up is usually fine for most adults. But parents might want to take a closer look at caffeine and other ingredients in the drinks their kids love. https://medicalxpress.com/news/2025-09-pediatrician-effects-caffeine-kids.html Mon, 08 Sep 2025 08:10:01 EDT news676534624 A new study from the University of Colorado Anschutz Medical Campus has found that caffeine, the world's most consumed psychoactive substances, may impair the quality of donated blood and reduce the effectiveness of transfusions—especially in recipients whose red blood cell (RBC) metabolism is influenced by a common genetic variant. https://medicalxpress.com/news/2025-09-caffeine-undermine-blood-transfusion-effectiveness.html Thu, 04 Sep 2025 13:28:05 EDT news676211282 High-caffeine energy drinks such as Red Bull will be banned for sale to youths under 16 in England under plans announced by the government on Wednesday. https://medicalxpress.com/news/2025-09-england-sale-energy-children.html Wed, 03 Sep 2025 10:00:20 EDT news676111560 People who regularly consume caffeine are usually in a better mood after a cup of coffee or another caffeinated drink—an effect that is much more pronounced in the morning than later in the day. This finding comes from a new study by researchers at Bielefeld University and the University of Warwick, published in the journal Scientific Reports. Participants reported feeling significantly happier and more enthusiastic on those mornings compared with other days at the same hour when they had not yet had coffee. https://medicalxpress.com/news/2025-08-morning-coffee-boosts-mood-significantly.html Fri, 15 Aug 2025 09:51:03 EDT news674470261 Do you find yourself reaching for a cup of coffee at night to stay alert? A new study from The University of Texas at El Paso suggests you might want to reconsider. A team of UTEP biologists has discovered that nighttime caffeine consumption can increase impulsive behavior, potentially leading to reckless actions. https://medicalxpress.com/news/2025-08-coffee-night-impulsivity-females.html Tue, 05 Aug 2025 15:33:40 EDT news673626812 Caffeine, which is present in various foods and beverages, is widely known to improve exercise performance. However, these ergogenic effects may not be observed under hot conditions. https://medicalxpress.com/news/2025-07-caffeine.html Fri, 18 Jul 2025 08:20:02 EDT news672044088 After decades of stalled national progress in reducing the rate of Sudden Unexpected Infant Death (SUID), a category of infant mortality that includes sudden infant death syndrome (SIDS), researchers at Rutgers Health have proposed an unexpected solution: Caffeine might protect babies by preventing dangerous drops in oxygen that may trigger deaths. https://medicalxpress.com/news/2025-06-caffeine-key-sudden-infant-death.html Wed, 11 Jun 2025 15:35:04 EDT news668874902 For many of us, the day doesn't start until we've had our first cup of coffee. It's comforting, energizing, and one of the most widely consumed beverages in the world. But while your morning brew might feel harmless, it can interact with certain medicines in ways that reduce their effectiveness—or increase the risk of side-effects. https://medicalxpress.com/news/2025-06-coffee-medication.html Mon, 02 Jun 2025 14:26:05 EDT news668093162 Findings from a new study of almost 50,000 women followed for 30 years suggest that a morning cup of coffee might do more than boost energy; it could also help women stay sharp, strong and mentally well as they age. https://medicalxpress.com/news/2025-06-brewed-longevity-coffee-linked-healthy.html Mon, 02 Jun 2025 12:11:03 EDT news668085039 Caffeine is not only found in coffee, but also in tea, chocolate, energy drinks and many soft drinks, making it one of the most widely consumed psychoactive substances in the world. https://medicalxpress.com/news/2025-05-coffee-affects-brain.html Wed, 28 May 2025 16:17:04 EDT news667667822 Energy drinks are a multibillion-dollar industry and are the most consumed supplement not under the control of the Food and Drug Administration other than multivitamins. It's a bit like the "Wild West" in the sense that energy drinks and their stimulating ingredients are under no FDA regulation and are not classified as a food or a drug but as a supplement. https://medicalxpress.com/news/2025-05-energy-bad-health.html Mon, 05 May 2025 08:40:01 EDT news665650652 Caffeine is almost ubiquitous in everyday life. It is found in the typical morning cup of coffee, in black tea, in cola, in energy drinks and even in chocolate. https://medicalxpress.com/news/2025-03-caffeine-health.html Thu, 27 Mar 2025 09:52:03 EDT news662287921 Increased consumption of fruit, dietary fiber, dairy products and caffeine may be associated with a reduced risk of tinnitus (ringing in the ears), suggests an analysis of the available evidence, published in the open-access journal BMJ Open. https://medicalxpress.com/news/2025-03-fruit-fiber-dairy-caffeine-linked.html Tue, 18 Mar 2025 18:30:02 EDT news661422781 Does how much you sleep affect your heart? According to health officials, adults who sleep fewer than seven hours each night are more likely to experience health problems. https://medicalxpress.com/news/2025-02-physician-heart-health.html Wed, 26 Feb 2025 07:30:01 EST news659776689 Turns out, Americans may be drinking less coffee, soda and tea, but they're getting more caffeine than ever. A new study of more than 49,000 U.S. adults found that while fewer are sipping caffeinated drinks, those who do are choosing much stronger doses, with coffee taking the lead. https://medicalxpress.com/news/2025-02-coffee-caffeine-intake-tea-declines.html Sun, 23 Feb 2025 12:40:21 EST news659536812 A new study examining calls to United States poison centers for exposures to caffeine energy products in people younger than 20 years, conducted by researchers at the Center for Injury Research and Policy of the Abigail Wexner Research Institute at Nationwide Children's Hospital and the Central Ohio Poison Center, shows a significant rise in exposure rates from 2011 through 2023, with variations by product formulation. https://medicalxpress.com/news/2025-02-poison-centers-child-adolescent-exposures.html Mon, 03 Feb 2025 12:01:19 EST news657806469 Adding sugar or artificial sweeteners to coffee disrupted the body clocks in mice more than coffee on its own, researchers have found, with it causing day and night to be reversed in some mice. If this holds for humans as well, adding sweetener to coffee would have significant health ramifications. https://medicalxpress.com/news/2024-12-adding-sweetener-coffee-night-owl.html Thu, 19 Dec 2024 07:37:05 EST news653816221 Dietary restrictions do not aid treatment of Meniere disease, according to a study published online Sept. 15 in Frontiers in Nutrition. https://medicalxpress.com/news/2024-11-dietary-restriction-aid-meniere-disease.html Fri, 01 Nov 2024 13:42:02 EDT news649687321 Experiments in sheep are hinting that doses of caffeine given to women in pregnancy, as well as their newborns after birth, could prevent cerebral palsy. https://medicalxpress.com/news/2024-10-caffeine-pregnancy-cerebral-palsy-kids.html Tue, 22 Oct 2024 09:16:38 EDT news648807392 A University of Queensland-led study has failed to find any strong links between drinking coffee during pregnancy and neurodevelopmental difficulties in children, but researchers are advising expectant mothers to continue following medical guidelines on caffeine consumption. https://medicalxpress.com/news/2024-10-coffee-pregnancy-bad-baby-brain.html Wed, 09 Oct 2024 10:00:01 EDT news647622953 Consuming more caffeine may improve heart health, according to a study published in the Rheumatology journal. https://medicalxpress.com/news/2024-10-caffeine-intake-linked-vascular-health.html Wed, 09 Oct 2024 00:00:01 EDT news647598185 Habitual coffee or caffeine intake is associated with a lower risk for new-onset cardiometabolic multimorbidity (CM), according to a study published online Sept. 17 in the Journal of Clinical Endocrinology & Metabolism. https://medicalxpress.com/news/2024-09-caffeine-coffee-linked-cardiometabolic-multimorbidity.html Wed, 18 Sep 2024 15:20:01 EDT news645891176 Consuming moderate amounts of coffee and caffeine regularly may offer a protective effect against developing multiple cardiometabolic diseases, including type 2 diabetes, coronary heart disease and stroke, according to new research published in the Journal of Clinical Endocrinology & Metabolism. The paper is titled "Habitual Coffee, Tea and Caffeine Consumption, Circulating Metabolites, and the Risk of Cardiometabolic Multimorbidity." https://medicalxpress.com/news/2024-09-moderate-caffeine-consumption-multiple-cardiometabolic.html Tue, 17 Sep 2024 09:00:01 EDT news645782253 Cerebrospinal fluid, or CSF, is a clear, colorless liquid that plays a crucial role in maintaining the health and function of your central nervous system. It cushions the brain and spinal cord, provides nutrients and removes waste products. https://medicalxpress.com/news/2024-08-fluid-brain-shields-spine.html Thu, 15 Aug 2024 11:30:02 EDT news642939747 From coffee to tea, caffeinated beverages are an integral part of morning routines across the globe, but these popular drinks can be harmful when enjoyed in excess. According to a new study presented at ACC Asia 2024 in Delhi, India, drinking over 400 mg of caffeine per day on most days of the week could increase the susceptibility of otherwise healthy individuals to cardiovascular disease. https://medicalxpress.com/news/2024-08-chronic-high-caffeine-consumption-heighten.html Thu, 15 Aug 2024 10:29:48 EDT news642936585