The structure provides methods that support the following tasks: 1  Converting Boolean values to strings: ToString. 2  Parsing strings to convert them to Boolean values: Parse and TryParse. 3  Comparing values: CompareTo and Equals.
Nicotine causes inflammation in the arteries, which leads to narrowing and hardening of the blood vessels. When blood can't flow freely to your brain, you're at risk for blood clots, stroke and aneurysms. Nicotine also increases your endorphins, brain chemicals that make you feel good.
Nicotine is one of the more than 4,000 chemicals in cigarettes and its smoke. It is the chemical that makes tobacco addictive or habit forming. Once we smoke, chew, or sniff tobacco, nicotine goes into our bloodstream, and our body wants more. The nicotine in tobacco makes it a drug.