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Effects of low doses of caffeine on cognitive performance, mood and thirst in low and higher caffeine consumers.
Smit HJ, Rogers PJ. Smit HJ, et al. Psychopharmacology (Berl). 2000 Oct;152(2):167-73. doi: 10.1007/s002130000506. Psychopharmacology (Berl). 2000. PMID: 11057520
Role of familiarity on effects of caffeine- and glucose-containing soft drinks.
Smit HJ, Grady ML, Finnegan YE, Hughes SA, Cotton JR, Rogers PJ. Smit HJ, et al. Physiol Behav. 2006 Feb 28;87(2):287-97. doi: 10.1016/j.physbeh.2005.10.017. Epub 2006 Jan 4. Physiol Behav. 2006. PMID: 16388831 Clinical Trial.
Reinforcing effects of caffeine and theobromine as found in chocolate.
Smit HJ, Blackburn RJ. Smit HJ, et al. Psychopharmacology (Berl). 2005 Aug;181(1):101-6. doi: 10.1007/s00213-005-2209-3. Epub 2005 Oct 15. Psychopharmacology (Berl). 2005. PMID: 15772863 Clinical Trial.
Absence of reinforcing, mood and psychomotor performance effects of caffeine in habitual non-consumers of caffeine.
Rogers PJ, Martin J, Smith C, Heatherley SV, Smit HJ. Rogers PJ, et al. Among authors: smit hj. Psychopharmacology (Berl). 2003 Apr;167(1):54-62. doi: 10.1007/s00213-002-1360-3. Epub 2003 Feb 25. Psychopharmacology (Berl). 2003. PMID: 12601503
Methylxanthines are the psycho-pharmacologically active constituents of chocolate.
Smit HJ, Gaffan EA, Rogers PJ. Smit HJ, et al. Psychopharmacology (Berl). 2004 Nov;176(3-4):412-9. doi: 10.1007/s00213-004-1898-3. Epub 2004 May 5. Psychopharmacology (Berl). 2004. PMID: 15549276 Clinical Trial.
Mood and cognitive performance effects of "energy" drink constituents: caffeine, glucose and carbonation.
Smit HJ, Cotton JR, Hughes SC, Rogers PJ. Smit HJ, et al. Nutr Neurosci. 2004 Jun;7(3):127-39. doi: 10.1080/10284150400003041. Nutr Neurosci. 2004. PMID: 15526987
A drink of water can improve or impair mental performance depending on small differences in thirst.
Rogers PJ, Kainth A, Smit HJ. Rogers PJ, et al. Among authors: smit hj. Appetite. 2001 Feb;36(1):57-8. doi: 10.1006/appe.2000.0374. Appetite. 2001. PMID: 11161346 Clinical Trial. No abstract available.
Food craving and food "addiction": a critical review of the evidence from a biopsychosocial perspective.
Rogers PJ, Smit HJ. Rogers PJ, et al. Among authors: smit hj. Pharmacol Biochem Behav. 2000 May;66(1):3-14. doi: 10.1016/s0091-3057(00)00197-0. Pharmacol Biochem Behav. 2000. PMID: 10837838 Review.
No appetite efficacy of a commercial structured lipid emulsion in minimally processed drinks.
Smit HJ, Keenan E, Kovacs EM, Wiseman SA, Mela DJ, Rogers PJ. Smit HJ, et al. Int J Obes (Lond). 2012 Sep;36(9):1222-8. doi: 10.1038/ijo.2011.237. Epub 2011 Nov 29. Int J Obes (Lond). 2012. PMID: 22124453 Clinical Trial.
No efficacy of processed Fabuless (Olibra) in suppressing appetite or food intake.
Smit HJ, Keenan E, Kovacs EM, Wiseman SA, Peters HP, Mela DJ, Rogers PJ. Smit HJ, et al. Eur J Clin Nutr. 2011 Jan;65(1):81-6. doi: 10.1038/ejcn.2010.187. Epub 2010 Sep 22. Eur J Clin Nutr. 2011. PMID: 20859298 Clinical Trial.
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