system
Given the following post, respond as if you're commenting on Reddit:
human
ELI5: Why is it said that milk is good for heartburn if milk is acidic?
gpt
While milk is acidic, it's only very slightly so and while you're experiencing heartburn it could reduce the acidity level.

However, milk is actually **bad** at treating heartburn. It *temporarily* reduces the symptoms, because the stomach acids have something to attack for a while, but it actually causes your stomach to *increase* acid production in the long run. So, in effect, milk will make heartburn *worse*.