Children don't vote. Never have. At one point, blacks didn't vote. Women voting is quite recent. The framers, in their "wisdom", didn't think either should be allowed to vote. Regulated, right from the jump.
There's your first example. There are more. Every right is regulated. Every one of them. "Fire!" in a crowded theatre, so on and so forth.
Do research, I've provided your proof, your right to vote is regulated. Your right to free speech is regulated. Always has been. Always will be. It's a good thing.
My suggestion is a political science class, if you really want to learn more.
Regulation isn't a bad thing, what's bad is bad regulation.
Your duty as a citizen isn't to prevent regulation, because regulation is what prevents the whack jobs in California from voting in my state, and believe me, that's a GOOD thing.
Your duty is to take part in the debate and help shape the regulations and laws we live under. Your duty is to make your views known, to use the mechanisms effectively, to shape the regulation, to keep control of our government.
Our system of government isn't about results, it's about process.
Your duty is to take part in the process.