Stimulates the functional activity of all organs, increasing the nervous and vascular activity. The drinking of coffee by the aged is likely to increase production of uric acid, causing irritation of kidneys; muscle and joint pains, and with the increased susceptibility of old people to the stimulating action of coffee and tea, their use should be curtailed or carefully watched. Great nervous agitation and restlessness. Extreme sensitiveness characterizes this remedy. Neuralgia in various parts; always with great nervous excitability and intolerance of pain, driving to despair. Unusual activity of mind and body. Bad effects of sudden emotions, surprises, joy, etc. Nervous palpitation. Coffea is specially suited to tall, lean, stooping persons with dark complexions, temperament choleric and sanguine. Skin hypersensitive.