Resting metabolic rate is lower in women than in men（ResearchGate GmbH）https://www.researchgate.net/publication/15073123 Accessed 22  December 2022 

Cigarettes And Hand Conditions（American Society for Surgery of the Hand）

https://www.assh.org/handcare/condition/how-cigarettes-affect-your-hands Accessed 22  December 2022 

葡萄乾含有豐富鐵質，可以改善臉色蒼白、手腳冰涼問題？（衛生福利部國民健康署）https://www.hpa.gov.tw/Pages/Detail.aspx?nodeid=1425&pid=12300 Accessed 22  December 2022

Cigarettes And Hand Conditions（American Society for Surgery of the Hand）

https://www.assh.org/handcare/condition/how-cigarettes-affect-your-hands Accessed 22  December 2022 

葡萄乾含有豐富鐵質，可以改善臉色蒼白、手腳冰涼問題？（衛生福利部國民健康署）https://www.hpa.gov.tw/Pages/Detail.aspx?nodeid=1425&pid=12300 Accessed 22  December 2022 

Cold hands Causes（Mayo Clinic）

https://www.mayoclinic.org/symptoms/cold-hands/basics/causes/sym-20050648 Accessed 22  December 2022 

How to improve blood circulation if you have type 2 diabetes https://connect.uclahealth.org/2021/01/14/how-to-improve-blood-circulation-if-you-have-type-2-diabetes/ Accessed 22  December 2022 

「冷底」免疫力差 跟中醫學溫熱養生祕訣（台北市政府衛生局）https://health.gov.taipei/News_Content.aspx?n=BB5A41BA1E6CA260&sms=72544237BBE4C5F6&s=B66AF1DF7224918E Accessed 22  December 2022