Please post references for your claims.

Study in the Journal of Alzheimer's Disease found that those who drank 3-5 cups a day had the lowest risk (65% decreased) of developing Alzheimer's.

PMID: 19158424 DOI: 10.3233/JAD-2009-0920

A study with 521 330 persons enrolled in EPIC (European Prospective Investigation into Cancer and Nutrition) concluded that Coffee drinking was associated with reduced risk for death from various causes. This relationship did not vary by country.

PMID: 28693038 PMCID: PMC5788283 [Available on 2018-02-15] DOI: 10.7326/M16-2945