Take smoking cigarettes, everyone says that causes cancer. But how? I thought cancer was just a malfunction in the cells? I know I’m wrong it just doesn’t make sense to me
In: Biology
The chemicals inhaled during smoking interact with your cells and can change your DNA. This now “incorrect” DNA tells your cells to do the wrong thing such as start rapidly reproducing, causing a cancerous growth.
The reason so many things can cause cancer is because there are a lot of things (chemicals, radiation, etc.) that can interact with the molecules that make up our DNA. In fact, your DNA is messed up often but it typically can repair itself. But the more you smoke, the more the DNA has to repair itself, the higher the chance is it makes a mistake while repairing itself.
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