Increasing age leads to decreased cognitive skills and increased risk of Dementia, Parkinson’s and Alzheimer’s disease. Having black coffee in the morning enhances the brain function. Black coffee helps the brain to stay active and thus helps in boosting the memory power. It also keeps the nerves active which in turn keeps dementia at bay. Studies say regular consumption of black coffee reduces risk of Alzheimer’s by 65 per cent and Parkinson’s by 60 per cent.
Some health benefits of coffee come from the beverage's caffeine content and not necessarily from the coffee itself. For example, the review of studies published in Australian & New Zealand Journal of Psychiatry determined there was also a nonlinear association between caffeine and a lower risk of depression, in addition to the link with coffee itself. Caffeine, a stimulant, also has a beneficial effect on athletic performance, with research published in 2016 in the Journal of Sports Science determining that dosing with caffeine prior to physical activity increased "vigor" and decreased fatigue. To use this to your benefit before working out, drink a cup of black coffee about 30 to 45 minutes before you begin exercising.

The Academy of Nutrition and Dietetics spokesperson, Joy Dubost, claims that based on the amount of coffee consumed by Americans, it is one of the greatest sources of antioxidants their diet. In addition to antioxidants, coffee contains the essential nutrients chromium, potassium, niacin, vitamin E and magnesium. Coffee consumption alone can supply up to 8 percent of your chromium needs. Chromium plays a role in controlling your blood sugar and possibly lowering your LDL, or bad cholesterol. Much like tea, coffee contains plant chemical compounds, particularly flavonoids, which have been linked to a reduced risk of chronic disease.
Generally the best type of coffee to use in order to make a great tasting cup of black coffee is that which has been freshly ground. The reason why freshly ground is better is because after a couple of days ground coffee generally begins to lose its taste. Also if you are going to make coffee on your stove top then only keep it on there for a few minutes as any longer and the coffee will lose some of its taste and in some cases will become bitter. So it is better if you serve the coffee as soon as you have made it. Also you should use about 2 tablespoons of ground coffee for every cup that you make expect in the case of espresso. If making an espresso it is best to follow the guidelines that your espresso machine will have.
Measure what you are putting into your coffee- If you are brewing your coffee manually, I recommend the process of weighing or measuring the water and the coffee for your recipe. Your additives should be no different. Measure the cream and sugar you put into your coffee. This will get you consistent results through the whole process, brewing to drinking. It would be a shame to meticulously weigh and brew your coffee only to haphazardly eyeball the amount of cream or sugar you add. It is better to be consistent. Measuring your additives will also serve the purpose of showing you exactly how much cream and sugar you are consuming.

A 28-year study, eventually published in 2017 in Alzheimer's and Dementia, the journal of the Alzheimer's Association, determined that four to five cups of a coffee a day – a level deemed "moderate" – led to a decreased risk of dementia during that time period. Those who drank coffee in moderate levels had less medial temporal atrophy, which is linked to Alzheimer's disease, compared to those who drank three or fewer cups a day, including those who didn't drink any.
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