Impact of smoking on health, surely you already know. Not only the active smokers, the impact of smoking can also affect the passive smoker. Well, for those of you who are in an environment often smokers, should regularly consume vitamin C.

Research in the United States prove that vitamin C helped reduce the risk of disease caused by exposure to cigarette smoke. Approximately 67 participants were non-smokers involved in a study conducted by Dr. Marion Dietrich of the University of California, Berkeley.

In that study, Dr. Marion divide the participants into three groups. Every day each group was asked to take the supplement. The first group was asked to consume vitamin C 500 mg, the second group taking vitamin C, vitamin E and the antioxidant alpha-lipoic acid, while a third group taking a placebo pill.

As a result, when the researchers conducted the content of F2-Isoprostanes testing to measure the damage to cells, the compound was found slumped to 11 percent in the first group taking vitamin C than ordinary pill. While the participants who consumed a combination of vitamin C with other vitamins, showed decreased content of F2-Isoprostanes by 12 percent.

Based on these findings, the researchers called for active and passive smokers to consume vitamin C regularly and also increase the intake of fruits and vegetables.