Cleveland clinic says says about coffee’s laxative effect:
Researchers found that 29% of coffee drinkers report a desire to poop after drinking coffee. The feeling can come pretty quickly, too. (In as little as four minutes!)
And about lactose intolerance (same article):
An estimated 65% of people have some difficulty digesting lactose, which can lead to restroom runs. Lactose intolerance can cause diarrhea and other gastrointestinal (GI) issues within 30 minutes of consumption.
Cleveland clinic says says about coffee’s laxative effect:
And about lactose intolerance (same article):
Four minutes? More like 4 seconds after the first sip.