According to professor Achmad Subagio of the Research Institute of the University of Jember, drinking black coffee twice a day prevents the risk of Parkinson's disease because caffeine elevates the dopamine levels in the body. Parkinson's disease affects the brain's nerve cells that produce dopamine, a neurotransmitter responsible for transmitting signals between the nerve cells of the brain.
It is important that you use medium to fine ground coffee when making black coffee using this method. This type of pot allows you to make a full flavored coffee. As it is made from borosilicate glass you can pour hot water directly into it, however at no time should it be allowed to stand directly on a heat source. You will often find that they come in 3 sizes, 3 cup, 8 cup and 12 cup.
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.