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Caffeine and Cancer: Is There a Direct Link?

So far, there isn’t any scientific evidence proving that caffeine increases cancer risks. In fact, caffeine may influence the general well-being of cancer patients. Flo looks at the connection between caffeine and cancer and provides healthy lifestyle tips on enjoying your morning cup!

The research on drinking coffee and the potential risk of cancers found that the risk of cancer isn’t increased by consuming coffee. Furthermore, drinking coffee is accompanied by a decreased risk of cancer of the liver and produces a beneficial effect on liver enzymes and cirrhosis.

Does caffeine cause cancer? In another analysis, coffee consumption was associated with a decreased risk of endometrial cancer. A possible reduced risk was also demonstrated in certain studies for pharyngeal/oral cancer and prostate cancer (advanced).

Case-control research studies showed that coffee drinking produces favorable effects on colorectal cancer. For cancer of the urinary bladder, the relationship between caffeine and cancer isn’t consistent, but any possibility of direct association isn’t related to duration and dose and may also depend on the persistent effect of smoking.

According to the evidence, there is no overall association of coffee intake with the occurrence of cancers of the lungs, pancreas, stomach, prostate, ovary, and breast. 

Does caffeine cause cancer? While consuming coffee is no longer classified as carcinogenic (cancer-causing), in 1991, coffee drinking was classified as being “probably carcinogenic” to human beings.

After carefully reviewing more than 1,000 clinical human and animal studies, scientists established that inadequate evidence existed to confirm the cancer-causing potential of coffee drinking. Many epidemiological research studies demonstrated that coffee consumption had no cancer-causing effects for various cancers, including cancers of the prostate, female breast, and pancreas. Furthermore, decreased risks were noticed for liver and endometrial cancers.

For more than 20 other malignancies, evidence of a link between caffeine and cancer was inconclusive.

It cannot be said that caffeine causes breast lumps or cysts or fibrocystic changes in the breasts. Furthermore, there’s no evidence to suggest a relationship between drinking coffee and breast cancer.

Some women anecdotally report that their symptoms of breast pain improve when they stop or decrease the amount of coffee in their diet. This effect isn’t documented by any research, but you can go caffeine-free and see if this relieves the discomfort of breast lumps and cysts.

People who have cancer should avoid the following beverages, particularly during and after chemotherapy:

  • Very cold or hot beverages
  • Caffeinated beverages (such as coffee, soda, strong tea, and chocolate)
  • They should also use milk products with caution.

The coffee brew is a rich source of various bioactive compounds that are powerful antioxidants. Though the naturally occurring compounds may be destroyed during roasting, the antioxidant properties of coffee may be maintained and even increased by the production of compounds that have antioxidant activity.

Consumption of coffee in moderate amounts (three to four cups every day) has been associated with more health benefits than harm. A study found that drinking coffee was accompanied by an 8–15 percent decrease in death risk (with a greater decrease among those who have a higher consumption of coffee). Other studies found that people who drink coffee may have a decreased risk of the following:

  • Heart disease (including stroke, heart failure, and heart attack)
  • Parkinson’s disease
  • Type 2 diabetes
  • Liver and uterine cancer
  • Gout
  • Cirrhosis

Consumption of coffee seems to be generally safe and even beneficial when drunk in moderation. Does caffeine cause cancer? The overall risk of cancers isn’t increased by drinking coffee. On the contrary, drinking coffee reduces the risk of liver and endometrial cancer. Is coffee bad for cancer patients? People with cancer should avoid caffeinated beverages, particularly during and after chemotherapy. According to evidence, coffee doesn’t pose any significant risk except during pregnancy and in women with a raised risk of fracture.

https://www.bmj.com/content/359/bmj.j5024
https://www.ahajournals.org/doi/10.1161/CIRCULATIONAHA.115.017341
https://www.health.harvard.edu/blog/the-latest-scoop-on-the-health-benefits-of-coffee-2017092512429
https://www.ingentaconnect.com/content/wk/cej/2017/00000026/00000005/art00009
https://www.iarc.fr/wp-content/uploads/2018/07/pr244_E.pdf https://www.researchgate.net/publication/318746384_Associations_of_Coffee_Drinking_and_Cancer_Mortality_in_the_Cancer_Prevention_Study-II
https://www.mayoclinic.org/diseases-conditions/breast-cysts/expert-answers/breast-cysts/faq-20058342
https://www.sciencedirect.com/science/article/pii/B9780124047389000039
http://chemocare.com/chemotherapy/health-wellness/tips-for-managing-eating-problems.aspx

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