Coffee is a highly popular beverage worldwide, containing caffeine which is a central nervous system stimulant. In a study of 398,646 UK Biobank participants, high coffee consumption (more than six cups of coffee a day) was associated with smaller total brain volumes and 53% higher odds of dementia. Pham et al. examined whether habitual coffee consumption is associated with differences in brain volumes or the odds of dementia or stroke. Image credit:...
