Whether calculating your target heart rate, assessing your risk for a common condition, or testing your knowledge of today's health concerns, these tools help you manage your health. They are easy to use, informative, and often surprising.
No matter what your age or how long you have smoked, giving up cigarettes is the ticket to a longer life. Consider that just 12 hours after your last cigarette, the carbon monoxide level in your blood returns to normal. A year after you've quit, your risk of heart disease is half that of a smoker's.
The things that lead to nicotine addiction are similar to those that cause other substance use addictions, or substance use disorders. Risk factors may include: