Coffee has many health benefits if consumed in right amount, experts claim Mayo Clinic says studies have found a possible association between coffee consumption and decreased mortality Coffee has anti-oxidants, helps the body process glucose better, can offer some protection against Type 2 diabetes Right amount of coffee can also protect against liver problems, Parkinson's disease Johns Hopkins experts say drinking coffee may help ward off heart attack and stroke Coffee helps to keep liver enzyme levels in a healthy range Dark roast coffee reduces breakage in DNA strands, studies have found Coffee drinkers have less chances of developing colon cancer, say Johns Hopkins nutrition experts For women, at least one cup of coffee a day is associated with lowered stroke risk Mayo Clinic, however, says consider cutting back coffee in case of side effects such as heartburn, nervousness, insomnia