Depletion of CoQ10 can cause any number of symptoms including nausea, headaches, dizziness, sleep disturbances, sexual dysfunction, fatigue, shortness
of breath,
memory loss, liver problems, muscle weakness, muscle pain, peripheral neuropathy, congestive heart failure.
Try electronic cigarettes. They look like a cigarette and even have nicotine (that's the reason you can't give up smoking - more addictive than heroin!) but it doesn't contain the cancer causing agents.