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Nutrition: Caffeine

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Total 131 results found since Jan 2013.

Hemorrhagic Stroke in a Young Healthy Male Following Use of Pre-Workout Supplement Animal Rage XL.
Authors: Harris BF, Winn C, Ableman TB Abstract So-called "pre-workout" supplements are substances marketed as natural dietary supplements with claims of helping athletes achieve more focused and intense workouts. The use of such products remains popular among American youth as a whole, but is especially high among active duty service members. Supplements are minimally regulated by the Food and Drug Administration (FDA), and unlike pharmaceuticals, supplements are often brought to market without any testing to show neither efficacy nor safety. Several case reports have documented serious adverse events and raise th...
Source: Military Medicine - September 10, 2017 Category: International Medicine & Public Health Tags: Mil Med Source Type: research

Caffeine and cardiovascular health
This report evaluates the scientific literature on caffeine with respect to potential cardiovascular outcomes, specifically relative risks of total cardiovascular disease (CVD), coronary heart disease (CHD) and acute myocardial infarction (AMI), effects on arrhythmia, heart failure, sudden cardiac arrest, stroke, blood pressure, hypertension, and other biomarkers of effect, including heart rate, cerebral blood flow, cardiac output, plasma homocysteine levels, serum cholesterol levels, electrocardiogram (EKG) parameters, heart rate variability, endothelial/platelet function and plasma/urine catecholamine levels. Caffeine in...
Source: Regulatory Toxicology and Pharmacology - July 27, 2017 Category: Toxicology Source Type: research

Caffeine and cardiovascular health.
This report evaluates the scientific literature on caffeine with respect to potential cardiovascular outcomes, specifically relative risks of total cardiovascular disease (CVD), coronary heart disease (CHD) and acute myocardial infarction (AMI), effects on arrhythmia, heart failure, sudden cardiac arrest, stroke, blood pressure, hypertension, and other biomarkers of effect, including heart rate, cerebral blood flow, cardiac output, plasma homocysteine levels, serum cholesterol levels, electrocardiogram (EKG) parameters, heart rate variability, endothelial/platelet function and plasma/urine catecholamine levels. Caffeine in...
Source: Regulatory Toxicology and Pharmacology : RTP - July 26, 2017 Category: Toxicology Authors: Turnbull D, Rodricks JV, Mariano GF, Chowdhury F Tags: Regul Toxicol Pharmacol Source Type: research

Does coffee make you live longer?
Conclusion This study, conducted on a large number of people across Europe, was backed up by similar findings in the US. It appears to show some association between people who drink higher amounts of coffee and a reduced risk of death. But the "potentially beneficial clinical implications" need to be considered carefully for a number of reasons: Although the analyses were adjusted for some confounding variables, there may be a number of other factors that differ between the groups that account for the differences in death, such as socioeconomic status, family history, other medical conditions, and use of medic...
Source: NHS News Feed - July 12, 2017 Category: Consumer Health News Tags: Food/diet Source Type: news

Effects of coffee/caffeine on brain health and disease: What should I tell my patients?
Abstract Over the last decade, Food Regulation Authorities have concluded that coffee/caffeine consumption is not harmful if consumed at levels of 200 mg in one sitting (around 2½ cups of coffee) or 400 mg daily (around 5 cups of coffee). In addition, caffeine has many positive actions on the brain. It can increase alertness and well-being, help concentration, improve mood and limit depression. Caffeine may disturb sleep, but only in sensitive individuals. It may raise anxiety in a small subset of particularly sensitive people. Caffeine does not seem to lead to dependence, although a minority of people experi...
Source: Practical Neurology - December 16, 2015 Category: Neurology Authors: Nehlig A Tags: Pract Neurol Source Type: research

Shortcut to Better Brain Power
Natural caffeine is one of the oldest stimulants in the world. And it’s loaded with health benefits. It can enhance your mental clarity and focus, and it’s a potent antioxidant… as long as you take it in moderation and it comes from natural sources. But the problem with most energy drinks these days is the caffeine itself. It’s unnatural and synthetic. We’ve known for a long time that the antioxidant power of caffeine cuts the risk of dying from heart disease or developing Alzheimer’s. But now a study from the Department of Nutrition at the Harvard School of Public Health, researchers looked at 30 years of data...
Source: Al Sears, MD Natural Remedies - December 15, 2015 Category: Complementary Medicine Authors: Al Sears Tags: Brain Health caffeine coffee guarana Source Type: news

The blood pressure‐elevating effect of Red Bull energy drink is mimicked by caffeine but through different hemodynamic pathways
Abstract The energy drink Red Bull (RB) has recently been shown to elevate resting blood pressure (BP) and double product (reflecting increased myocardial load). However, the extent to which these effects can be explained by the drink's caffeine and sugar content remains to be determined. We compared the cardiovascular impact of RB to those of a comparable amount of caffeine, and its sugar‐free version in eight young healthy men. Participants attended four experimental sessions on separate days according to a placebo‐controlled randomized crossover study design. Beat‐to‐beat hemodynamic measurements were made conti...
Source: Physiological Reports - February 25, 2015 Category: Physiology Authors: Jennifer L. Miles‐Chan, Nathalie Charrière, Erik K. Grasser, Jean‐Pierre Montani, Abdul G. Dulloo Tags: Original Research Source Type: research

A Pilot Randomized Controlled Trial of Early versus Routine Caffeine in Extremely Premature Infants
Conclusion This pilot study demonstrated the feasibility of conducting such a trial in extremely preterm neonates. We found that early caffeine administration was associated with improved hemodynamics. Larger studies are needed to determine whether early caffeine reduces intubation, intraventricular hemorrhage, and related long-term outcomes.[...]Thieme Medical Publishers 333 Seventh Avenue, New York, NY 10001, USA.Article in Thieme eJournals:Table of contents  |  Abstract  |  Full text
Source: American Journal of Perinatology - January 21, 2015 Category: Perinatology & Neonatology Authors: Katheria, Anup C.Sauberan, Jason B.Akotia, DevangRich, WadeDurham, JaysonFiner, Neil N. Tags: Original Article Source Type: research

Cardiovascular health and caffeine consumption. A population-based study in rural Ecuador
The relationship between caffeine consumption and cardiovascular health (CVH) is controversial and has been plagued by myths that have even surpassed scientific boundaries . If caffeine consumption has an impact on the occurrence of cardiovascular diseases, it has to be through changes in the prevalence of modifiable risk factors. A number of studies have shown either a detrimental or a beneficial effect of caffeine consumption and arterial blood pressure or some other isolated cardiovascular risk factors, but most of them have focused on the amount of coffee consumption , and it is well known that coffee has a number of s...
Source: International Journal of Cardiology - January 27, 2014 Category: Cardiology Authors: Oscar H. Del Brutto, Robertino M. Mera, Mauricio Zambrano Tags: Letters to the Editor Source Type: research

Common Meds With Caffeine May Be Linked to StrokeCommon Meds With Caffeine May Be Linked to Stroke
Medications containing caffeine were tied to a doubled or even tripled risk of stroke in a new Korean study. Reuters Health Information
Source: Medscape Medical News Headlines - June 25, 2013 Category: Consumer Health News Tags: Neurology & Neurosurgery News Source Type: news

Common Meds with Caffeine May Be Linked to Stroke
Taking medications containing caffeine was tied to a doubled or even tripled risk of having a stroke in a new Korean study that might seem to contradict recent evidence suggesting coffee and tea exert protective effects.Source: Reuters Health Related MedlinePlus Pages: Caffeine, Medicines, Stroke
Source: MedlinePlus Health News - June 25, 2013 Category: Consumer Health News Source Type: news