ALAJUELA, COSTA RICA  — Workers tend to the coffee plants at the Doka Estate coffee farm on  in Alajuela, Costa Rica. The farm is one of many that produce high-quality coffee, much of which is exported to the United States. Once touted as potentially harmful, new studies from a variety of sources now link a number of health benefits to drinking as many as five cups of coffee per day.
ALAJUELA, COSTA RICA — Workers tend to the coffee plants at the Doka Estate coffee farm on in Alajuela, Costa Rica. The farm is one of many that produce high-quality coffee, much of which is exported to the United States. Once touted as potentially harmful, new studies from a variety of sources now link a number of health benefits to drinking as many as five cups of coffee per day. Joe Raedle Getty Images
ALAJUELA, COSTA RICA — Workers tend to the coffee plants at the Doka Estate coffee farm on in Alajuela, Costa Rica. The farm is one of many that produce high-quality coffee, much of which is exported to the United States. Once touted as potentially harmful, new studies from a variety of sources now link a number of health benefits to drinking as many as five cups of coffee per day. Joe Raedle Getty Images