Resources:
【1】Lauren Manaker MS， RDN， LD， CLEC. How Much Caffeine Is Too Much？ https：//www.eatthis.com/how-much-caffeine-is-too-much/ May 1， 2023
【2】MDPI and ACS Style. Iriondo-DeHond， A.; Uranga， J.A.; del Castillo， M.D.; Abalo， R. Effects of Coffee and Its Components on the Gastrointestinal Tract and the Brain–Gut Axis. Nutrients 2021， 13， 88. https：//doi.org/10.3390/nu13010088
【3】The Safety of Ingested Caffeine： A Comprehensive Review.Temple JL， Bernard C， Lipshultz SE， Czachor JD， Westphal JA， Mestre MA. Front Psychiatry. 2017 May 26;8：80. doi： 10.3389/fpsyt.2017.00080. eCollection 2017.
【4】Caffeine and Heart Disease. Caffeine and Heart Disease | American Heart Association. Apr 17， 2014
【5】Sudano I， Binggeli C， Spieker L， Lüscher TF， Ruschitzka F， Noll G， Corti R. Cardiovascular effects of coffee： is it a risk factor？ Prog Cardiovasc Nurs. 2005 Spring;20(2)：65-9. doi： 10.1111/j.0889-7204.2005.02477.x. PMID： 15886549.
[6] National Institutes of Health, RTI Institute; Translated by Zhang Jun, Standard Health Questionnaire and Anthropometric Method, Shanghai Science and Technology Press, 2017.05, p. 69
【7】Jiangnan. European history on the coffee table. [J]. Food in China. 2012, No. 11, 92-93, 2 pages
[8] WU Jingjing. Four unhealthy coffee drinking habits[J]. Health knowledge is all known. Jiangxi Science and Technology Press. 2012.09, p. 90
[9] Xia Lianbo, ed., Brain Health Care is Unavoidable[J]. Improve IQ. Avoid depression. Enhance Memory, Shanghai Scientific and Technical Literature Press, 2009.01, p. 76
[10] Xiao Meng. The historical origin of the café. [J]."Food in China". No. 13, 2006, 14-15, 2 pages
[11] WANG Shanshan, LI Jiqiang. History and characteristics of coffee. Beverages and mixology[M]. 2005
[12] ZHAO Chun. Consequences of excessive coffee drinking[J]. Source: Volkswagen Standardization. 2001-07-28
[13] XU Shunyao, ZHAO Dehua. Case 132 overdose of sodium benzoate caffeine poisoning. Analysis of drug use in clinical cases[M]. 1993
[14] DU Lingfang, LIN Baoshan. Kehai Pearl Diving, Sun Yat-sen University Press, December 1993, p. 277