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.
Smoking actually causes stress. If you have not had a cigarette for a while, it is common to gradually feel tense and irritable. These are symptoms of nicotine withdrawal . Your next cigarette immediately relieves these unpleasant feelings. This shows that your addiction to nicotine makes you moody .