caffeine

n.

[药]咖啡因；咖啡碱；茶精（兴奋剂）；

1. Now there are cola drinks without caffeine.
   现在也有不含咖啡因的可乐类饮料。
2. I'm trying to cut down on sugar and caffeine.
   我决定减少对糖和咖啡因的摄取量。
3. Caffeine makes people nervous and unsleeping.
   咖啡因是人们紧张和难以入睡。

Effects of caffeine on human health.
Effects of Caffeine on Plasma Renin Activity, Catecholamines and Blood Pressure
Association of coffee and caffeine intake with the risk of Parkinson disease.
Prospective study of caffeine consumption and risk of Parkinson's disease in men and women
Caffeine and the central nervous system: mechanisms of action, biochemical, metabolic and psychostimulant effects
Actions of caffeine in the brain with special reference to factors that contribute to its widespread use.
Coffee, tea, and caffeine consumption and risk of rheumatoid arthritis: results from the Iowa Women's Health Study.
Inhibition of ATM and ATR Kinase Activities by the Radiosensitizing Agent, Caffeine
Inhibition of ATM and ATR kinase activities by the radiosensitizing agent, caffeine.
Efficacy of a green tea extract rich in catechin polyphenols and caffeine in increasing 24-h energy expenditure and fat oxidation in...