Caffeine is classified by the Food and Drug Administration as  generally recognized as safe  (GRAS). Toxic doses, over 10 grams per day for an adult, are much higher than typical dose of under 500 milligrams per day.A cup of coffee contains 80â175 mg of caffeine, depending on what bean (seed) is used and how it is prepared (e.g. drip, percolation, or espresso).oxic doses, over 10 grams per day for an adult, are much higher than typical dose of under 500 milligrams per day. A cup of coffee contains 80â175 mg of caffeine, depending on what bean (seed) is used and how it is prepared (e.g. drip, percolation, or espresso).
This page is about the meanings of the acronym/abbreviation/shorthand SDH in the Medical field in general and in the Surgical terminology in particular. Subdural Hematoma. Medical Â» Surgical. Rate it: (0.00 / 0 votes)
â¢ STH (noun). The noun STH has 1 sense: 1. a hormone produced by the anterior pituitary gland; promotes growth in humans. Familiarity information: STH used as a noun is very rare. hormone produced by the anterior pituitary gland; promotes growth in humans. Classified under: Nouns denoting body parts. Synonyms: growth hormone; human growth hormone; somatotrophic hormone; somatotrophin; somatotropic hormone; somatotropin; STH.