Muscular strength is primarily determined by one thing: 1. How forcefully can a muscle contract. The force with which a muscle can contract is determined by two things: 1. How large is the muscle 2. How efficiently can the body contract the muscle
Cigarette smoking is the primary risk factor for lung cancer. The cancer research shows that the risk of getting cancer of the lung is higher among the cigarette smokers than the nonsmokers. Compared to nonsmokers, smokers have a 20-fold risk of developing lung cancer. There are many bad effects of cigarette smoking which may result in chronic bronchitis, chronic obstructive pulmonary disease and cancer of lung. If you are a cigarette smoker, I advise you to give some efforts to stop it now.