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 gum also causes various other health issues that develop after long term use. 'I've been on the gum for about three years, after quitting smoking 20 years ago. My left eye has gotten worse and worse in the last few years and has resulted in my getting glasses and I've had four teeth pulled.