Smoking is a lifestyle factor that can cause many diseases. Figure 15 shows the trends in smoking between 1960 and 2010 for men and women.Explain how the changes in the trends for smoking may affect the occurrence of cardiovascular disease – 10030

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1. The graph shows that smoking is decreasing over time, especially in men. Women are less likely to smoke than men, and the drop in smoking for men is steeper. This should lead to a drop in cardiovascular disease, especially in men.
   Smoking less means the lungs get less damaged, so there’s better gas exchange. It also means there’s less fatty buildup in the arteries, which lowers the risk of heart attacks and strokes. Nicotine normally raises heart rate and blood pressure, so with less smoking, those effects are reduced. There’s also a lower risk of blood clots forming, which also helps prevent heart attacks and strokes.

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