Kognition

KoffeinStudienlage & Dosis

Adenosin-Rezeptor-Antagonist, Toleranz, Timing, Halbwertszeit, Genetik.

Studienlage in Zahlen

Studien gesamt: 1.000
Mit Abstract: 50
Meta / Systematic / RCT: 7
Häufig zitiert: 50
Erscheinungsjahre: 1957–2026

Koffein im Kontext von Kognition

Dieses Thema ist Teil unserer Welt „Kognition". Dort findest du Methodik, Studienlage und Hebel mit dem größten Effekt — sowie die Reihenfolge, in der sich Hebel sinnvoll aufeinander aufbauen.

Zur Welt Kognition

Top-Studien zu Koffein

Sortiert nach einflussreichen Zitationen und Erscheinungsjahr.

Coffee and health: a review of recent human research.
Critical reviews in food science and nutrition2006180 einflussreiche Zitationen
Coffee is a complex mixture of chemicals that provides significant amounts of chlorogenic acid and caffeine. Unfiltered coffee is a significant source of cafestol and kahweol, which are diterpenes that have been implicated in the…
Coffee consumption and risk of type 2 diabetes: a systematic review.
JAMA2005n=193129 einflussreiche Zitationen
<h4>Context</h4>Emerging epidemiological evidence suggests that higher coffee consumption may reduce the risk of type 2 diabetes.<h4>Objective</h4>To examine the association between habitual coffee consumption and risk of type 2 diabetes…
Effects of caffeine on the human circadian clock in vivo and in vitro.
Sci Transl Med2015rct83 einflussreiche Zitationen
Caffeine's wakefulness-promoting and sleep-disrupting effects are well established, yet whether caffeine affects human circadian timing is unknown. We show that evening caffeine consumption delays the human circadian melatonin rhythm in…
The Effect of Post-Activation Potentiation Enhancement Alone or in Combination with Caffeine on Anaerobic Performance in Boxers: A Double-Blind, Randomized Crossover Study.
Nutrients202474 einflussreiche Zitationen
Post-activation performance enhancement (PAPE) is a physiological phenomenon that refers to an acute excitation of the neuromuscular system following intense exercise that ends in enhanced physical performance in a subsequent bout of…
Caffeine use in children: what we know, what we have left to learn, and why we should worry.
Neuroscience and biobehavioral reviews200973 einflussreiche Zitationen
Caffeine is a widely used psychoactive substance in both adults and children that is legal, easy to obtain, and socially acceptable to consume. Although once relatively restricted to use among adults, caffeine-containing drinks are now…
Acute effects of caffeine-containing energy drinks on physical performance: a systematic review and meta-analysis.
Eur J Nutr2017n=34Meta-Analysis69 einflussreiche Zitationen
<h4>Purpose</h4>Caffeine-containing energy drinks (EDs) are currently used as ergogenic aids to improve physical performance in a wide variety of sport disciplines. However, the outcomes of previous investigations on this topic are…
Coffee and caffeine intake and incidence of type 2 diabetes mellitus: a meta-analysis of prospective studies.
European journal of nutrition201463 einflussreiche Zitationen
<h4>Purpose</h4>Coffee and caffeine have been linked to type 2 diabetes mellitus (T2DM). A dose-response meta-analysis of prospective studies was conducted to assess the association between coffee and caffeine intake and T2DM…
Variations in caffeine and chlorogenic acid contents of coffees: what are we drinking?
Food & function201463 einflussreiche Zitationen
The effect of roasting of coffee beans and the extraction of ground coffee with different volumes of hot pressurised water on the caffeine and the total caffeoylquinic acids (CQAs) content of the resultant beverages was investigated. While…
The effects of caffeine on bone mineral density and fracture risk.
Osteoporos Int2022other59 einflussreiche Zitationen
Caffeine is a regular part of the diet of many adults (coffee, tea, soft drinks, and energy drinks). Multiple molecular effects of caffeine suggest that it may promote bone loss. Given the extensive consumption of caffeine worldwide, any…
Separate and combined effects of the social drugs on psychomotor performance.
Psychopharmacology199155 einflussreiche Zitationen
Ten female subjects (five smokers and five non-smokers) performed a choice reaction time task (CRT), a compensatory tracking task (CTT), a short-term memory task (STM) and were tested for their critical flicker fusion threshold (CFF) at…

Häufige Fragen

Welche Dosierung wurde in den Studien untersucht?

• habitual coffee consumption • Evening caffeine consumption 3 hours before habitual bedtime; in vitro chronic caffeine application (Caffeine dose equivalent to a double espresso; in vitro dose not specified)

Für welche Population gilt die Evidenz?

Die meisten Studien untersuchten: unknown.

Gibt es Sicherheitshinweise zu Koffein?

• Not reported in abstract.