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A Preliminary Report

SAMUEL BELLET, MD; ALFRED KERSHBAUM, MD; JULIO ASPE, MD

Arch Intern Med. 1965;116(5):750-752.

	Since this article does not have an abstract, we have provided the first 150 words of the full text PDF and any section headings.

THE PHYSIOLOGIC effects of coffee are due entirely to its caffeine content. Following its oral administration it is rapidly absorbed and its effects are almost immediately apparent. Coffee is one of the most common beverages utilized in this and many other countries. The amount consumed by the average individual approximates three cups a day; many coffee drinkers exceed this figure, some consuming as many as ten to 15 cups a day. The average amount of caffeine contained in the usual percolator type of coffee is approximately 150 mg per cup, while "instant coffee" contains approximately 80 to 90 mg and decaffeinated coffee contains about 15 to 25 mg per cup.¹ Other beverages, such as cola drink,² contain from 46 to 53 mg per 12 ounce bottle.

The pharmacologic effects of caffeine are fairly well known; these include an increase in the excitability of the nervous system, in alertness, . . . [Full Text PDF of this Article]

Author Affiliations
PHILADELPHIA

From the Division of Cardiology, Philadelphia General Hospital, Philadelphia.

Footnotes
Received for publication Dec 21, 1964; accepted April 13, 1965.

Reprint requests to Philadelphia General Hospital, 34th St and Curie Ave, Philadelphia, Pa 19104 (Dr. Bellet).

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