Coffee is a brewed drink prepared from roasted coffee beans, which are the seeds of berries from the Coffea plant. Here's a Coffea plant bearing green and red cherries.
Benefits
In moderation, coffee consumption has shown protective benefits on bone health [1].
Caffeine/coffee could be an effective therapeutic against Alzheimer's disease (AD) [2].
Coffee Can Help You Burn Fat. It does so by increasing the overall metabolic rate. [3]
In the black form, coffee contains antioxidants and micronutrients like Riboflavin, Pantothenic Acid, Manganese, Potassium, Magnesium and Niacin.
Long term coffee drinkers potentially live longer than those who don't drink coffee. [4]
Improves weight loss. Caffeine found in coffee is the best known legal stimulant. Caffeine makes the fat cells break down body fat, releasing them into the blood as free fatty acids and making them available as fuel [5].
References
[1] https://www.ncbi.nlm.nih.gov/pubmed/26816211
[2] https://www.ncbi.nlm.nih.gov/pubmed/20182037
[3] https://www.ncbi.nlm.nih.gov/pubmed/2912010
[4] http://www.nejm.org/doi/full/10.1056/NEJMoa1112010
[5] https://www.ncbi.nlm.nih.gov/pubmed/7408399