Nicotine improves reaction time and recall

Foulds, J., Stapleton, J. & et al (1996). Cognitive performance effects of subcutaneous nicotine in smokers and never-smokers.. Psychopharmacology, 127(1), 31-8.

Nicotine increases alertness in non-smokers

Griesar, W. S., Zaddel, D. P. & et al (2002). Nicotine effects on alertness and spatial attention in non-smokers. Nicotine and tobacco research, 4(2), 185-94.

Nicotine improves attention, memory, and mental processing

Newhouse, P. A. & Kellar, K. (2010). Nicotine treatment of mild cognitive impairment. Neurology, 78(2), 91-101.

Nicotine reduces inflammatory neurological disorders

Piao, Wen-Hua & Campagnolo, D. (2009). Nicotine and inflammatory neurological disorders. Acta Pharmacologica Sinica, 30(6), 715-22.

Nicotine improves cognition in ADHDers

Potters, A. S. & Newhouse, P. A. (2008). Acute nicotine improves cognitive deficits in young adults with attention-deficit/hyperactivity disorder. Pharmacoloty, Biochemistry, and Behavior, 88(4), 407-17.

Nicotine improves cognition

Warburton, D. M. (1992). Nicotine as a cognitive enhancer. Progress in Neuro-Psychopharmacology and Biological Psychiatry, 16(2), 181-91.

Nicotine wakes you up

Wilkins, J. N. & Carlson, H. E. (1982). Nicotine from cigarette smoking increases circulating levels of cortisol, growth hormone, and prolactin in male chronic smokers. Psychopharmacology, 78, 305-08.