Here are some good news for weight lose enthusiasts. Caffeine increases the caloric burning rate. According to a Danish study of normal weight volunteers, one cup of coffee has been found to raise the metabolic rate by three to four percent. This caloric burn rate is even greater with exercise. Caffeine seems to make body fat more readily available as fuel to exersizing muscles.
Muscles work longer before they fatigue.
In some areas, chemicals are needed to control insects. Spraying may touch coffee cherries. The coffee beans are practically unaffected. These components are removed in the processing of coffee, taking the chemical residue with them. Further, the roasting and brewing of coffees exposes any residues of chemicals to high temperature, hence further assuring their elimination.