Article #1: Coffee Consumption and bladder cancer: a meta-analysis of observational studies
Coffee consumption and bladder cancer have controversial results on whether or not they are related. This article informs that coffee may, or may not have an effect on the risk of developing bladder cancer. Bladder Cancer is known to be the most frequent cancer among the urinary tract. There has been research that shows that coffee intake has a significant relation to the risk of bladder cancer. Coffee has certain compounds such as caffeine, polycyclic aromatic hydrocarbons, and nitrosamines that can increase the risk of bladder cancer. However, other factors were inputted into the research that these results were based off of. In the research, the researchers included gender, kinds of coffee, how many cups, and also whether or not the person smoked. The subgroup analysis study was done to assess the potential effects of …show more content…
According to this document, coffee is a major source of caffeine which can increase or decrease tumors in the body. Coffee has two chemicals cafestol and kahweal, and these chemicals inhibit the development of cancer. In fact, this article discusses that an increase in coffee consumption reduces risk of cancer. A meta-analysis study confirmed that coffee has an inverse relation to breast cancer. Another study showed that coffee consumption had an inverse relation in men more than women. This article goes against the belief that coffee is a risk factor of cancer. Most studies have proven that coffee has more of a reduced rate in cancer risks due to chemicals. Biological factors come into account when attempting to find out cancer risks. Basically, this article states that more investigation needs to be done. When doing research all factors of the coffee type, serving sizes, biological factors and lifestyle need to be taken into