Caffeine is consumed by over 80% of US adults. This review examines the effects caffeine
has on cognitive and physical function, since most real-world activities require complex …

For hundreds of years, mankind has been influencing its sleep and waking state through the
adenosinergic system. For~ 100 years now, systematic research has been performed, first …

Fatigue and workplace sleepiness are consequences of modern industrial society. Fatigue
is a complex biological phenomenon that occurs as a function of time awake, time-of-day …

Following critical evaluation of the available literature to date, The International Society of
Sports Nutrition (ISSN) position regarding caffeine intake is as follows: Supplementation with …

Caffeine is a widely utilized performance-enhancing supplement used by athletes and non-
athletes alike. In recent years, a number of meta-analyses have demonstrated that caffeine's …

The use of herbal medicinal products and supplements has increased during last decades.
At present, some herbs are used to enhance muscle strength and body mass. Emergent …

Background: Coffee and tea are traditional sources of caffeine in the diet, but other sources,
such as energy drinks, are now available. Because risks and benefits of caffeine use are …

Abstract Position Statement: The position of The Society regarding caffeine supplementation
and sport performance is summarized by the following seven points: 1.) Caffeine is effective …

Sleep deprivation severely compromises the ability of human beings to respond to stimuli in
a timely fashion. These deficits have been attributed in large part to failures of vigilant …

Biophilia hypothesis suggests humans have an innate connection to nature which may affect
our health and productivity. Yet we currently live in a world that is rapidly urbanizing with …