You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is Which one of the following statements about influence of smoking on risk of coronary hea disease (CHD) is not true? and explain in detail?
There is evidence that influence smoking not only independent of but also synergistic with other risk factors such as hypeension and elevated serum cholesterol. This means that the effect are more than additive. Ref-Park&;s textbook of Preventive and Social Medicine 24th edition. *