Articles

Daily rhythms of the sleep-wake cycle

The amount and timing of sleep and sleep architecture (sleep stages) are determined by several factors, important among which are the environment, circadian rhythms and time awake. Separating the roles played ...

Authors: Jim Waterhouse, Yumi Fukuda and Takeshi Morita

Herbs in exercise and sports

The use of herbs as ergogenic aids in exercise and sport is not novel. Ginseng, caffeine, ma huang (also called 'Chinese ephedra'), ephedrine and a combination of both caffeine and ephedrine are the most popul...

Authors: Chee Keong Chen, Ayu Suzailiana Muhamad and Foong Kiew Ooi

Oral administration of γ-aminobutyric acid affects heat production in a hot environment in resting humans

Central administration of γ-amino butyric acid (GABA) induces lower body temperature in animals in hot ambient air. However, it is still unknown whether oral GABA administration affects temperature regulation ...

Authors: Taiki Miyazawa, Takashi Kawabata, Kazunobu Okazaki, Takashi Suzuki, Daiki Imai, Takeshi Hamamoto, Shinya Matsumura and Toshiaki Miyagawa

Cognitive characteristics of older Japanese drivers

Some causes of accidents among older drivers are: not paying attention to traffic signals; missing stop lines; and having to deal with and misjudging emergency situations. These causes of accidents reveal prob...

Authors: Indri H Susilowati and Akira Yasukouchi

Journal of Physiological Anthropology aims to investigate, how the speed of technological advance, experienced during the 21^st century, is affecting mankind

Authors: Akira Yasukouchi