The endocrine system is really a band of glands that regulate our bodies with hormones. The glands are ductless, in order that they release hormones directly into the bloodstream. Hormones are chemical messengers which have specific targets called receptors. There are three kinds of hormones: steroid hormones, amino acid derivatives, and peptide hormones. The concentration of hormones inside bloodstream is regulated through feedback loops. Smoking is cause of the several reproductive health problems. So, if you quit smoking a lot of your sex problems is going to be resolved. To prove this fact case study was conducted from the research scientists with the University from the Michigan. In this study 230 smokers who have been suffering with the different libido problems participated. These people were motivated to reduce their smoking frequency by the doctors and medications like generic Zyban were being given to those men to help them to quit smoking. It was noted that 40% with the individuals could stop smoking within 8 weeks of duration. Later we were holding asked the questions about their problems in sex-life. These people told that their sex life is improved while they have either stopped smoking completely or reduced the frequency of smoking. Thus, it absolutely was proved that in case you give up smoking most of your sexual health problems can be resolved.