You can overdose on coffee if you drink about 30 cups in a brief period to get close to a lethal dosage of caffeine.
tetrapyrrole (plural tetrapyrroles)
(biochemistry) any of several natural pigments having a structure of four pyrrole rings connected by a one-carbon unit
Source: Wiktionary
10 June 2025
(noun) the discipline that studies the principles of transmiting information and the methods by which it is delivered (as print or radio or television etc.); “communications is his major field of study”
You can overdose on coffee if you drink about 30 cups in a brief period to get close to a lethal dosage of caffeine.