You can overdose on coffee if you drink about 30 cups in a brief period to get close to a lethal dosage of caffeine.
melanuria (countable and uncountable, plural melanurias)
(medicine) The excretion of urine of an abnormally dark colour, caused by the presence of melanin or other pigments or by the action of phenol, creosote, resorcin, and other coal-tar derivatives.
Source: Wiktionary
2 April 2025
(adjective) secret or hidden; not openly practiced or engaged in or shown or avowed; “covert actions by the CIA”; “covert funding for the rebels”
You can overdose on coffee if you drink about 30 cups in a brief period to get close to a lethal dosage of caffeine.