Can one drink coffee twice a day?

The answer is yes. There is no scientific evidence to suggest that drinking coffee twice a day is harmful. In fact, some studies have even suggested that moderate coffee consumption (up to 4 cups per day) may have some health benefits, such as reducing the risk of heart disease, type 2 diabetes, and some types of cancer. However, it is important to note that caffeine can have negative effects on some people, such as anxiety, insomnia, and headaches. If you experience any negative effects from drinking coffee, it is recommended that you reduce your intake or avoid it altogether.