Apr 18, Business Insider spoke to Ali Webster, PhD, RD to find out what happens to your body if you drink only tea and coffee all day with no water. Jun 18, There are good reasons to drink coffee and there are a few reasons not to. This article is for those that are looking for reasons to keep drinking it. Aug 22, We love our coffee, for sure—but what does it actually do to your body?. Your Brain On Coffee Moderate coffee drinking is safe, and three to four cups a day may have some health benefits, according to a large review of studies, in the BMJ. It found a lower . Dec 14, Drinking coffee may do much more than simply provide an energy boost when needed. Several scientific studies have identified a number of. Drinking can help your liver become healthier again. To be more specific, drinking coffee may help reduce the kind of liver damage associated with drinking too.