Well, since you're asking for anecdotal evidence... Lemon juice has a pH of about 2, while most colas are more Alkaline at around 2.5. My mom eats lemons raw n

Well, since you're asking for anecdotal evidence... Lemon juice has a pH of about 2, while most colas are more Alkaline at around 2.5. My mom eats lemons raw nearly every day. Sometimes limes (pH ~2.2).