In-network dentists have agreed to participate in a plan and to provide treatment according to certain administrative guidelines and to accept their contracted fees as payment in full. Different plans are served by distinct dentist networks. Delta Dental PPO dentists are in-network dentists for Delta Dental PPO plans.
Nicotine is a highly addictive substance that occurs naturally in tobacco. It is the active ingredient in tobacco smoke. It has a pungent odor and an acrid taste. Nicotine is defined as a poisonous, oily, pale yellow substance that turns brown upon exposure to air. In concentrated form, this chemical is used as a potent insecticide. The amount of nicotine which occurs in tobacco leaves ranges from 2% to 7%. A smoker inhales approximately 3 mg of nicotine per cigarette.
Nicotine is a very strong poison that can kill a human in less than an hour if even a small amount is injected into the blood-stream. Tobacco smoke contains very tiny amounts of nicotine that aren't deadly, but are still very bad for our health. Tobacco smoke also contains many other chemicals.In fact, it contains over 4,000 chemicals, many of which are very harmful to our bodies.n fact, it's just the opposite: smoking is the only legal consumer product that kills you when you use it exactly how it's meant to be used! That's pretty scary, isn't it? Cigarettes are made from tobacco. The tobacco plant is the only plant ever discovered to contain the drug called nicotine.