And the smoking, actually, the nicotine in cigarettes is one of the best mitochondrial uncouplers that's ever been discovered. And we've looked at this through the wrong lens. We said, wow, what other healthy lifestyle things are these guys doing that's preventing smoking from harming them? In fact, we should have looked at it the other way. What is it about these people who are smokers that allows them to live to 105, 110 years old? And when you do that, then you say, okay, smoking was good for them. Why don't we see the oxidative stress that smoking we all know occurs? Why don't we see the cancers in these people? And it's because the rest of their diet facilitates the absorption of the oxidative stress in these guys.