There's a whole list of prescription drugs vitamin c interacts with, if you're medicated for anything it's a good idea to check if what you're taking is on it.
Which area of the body are you talking about? You realize parts of your body need to be acidic right?
"Drinking warm lemon juice before breakfast is the fastest way to alkaline your acidic body..."
Right, so according to you, a person drinks warm lemon juice and now has an alkaline body.
They are ready for breakfast, but lack the necessary stomach acid to digest it.
Now what?