So you think smoking won't affect the way you look? Think again - smoking isn't just bad for your health. Look at these pictures and you'll see all the ways that smoking makes you feel and look gross.

And do you know that cigarettes are made of? There have 4,000 chemicals in one cigarette. Wouldn't order that as a pizza topping! We know that the bad stuff in cigarettes is not supposed to go into your body, but it does. Beauty definitely happens from the inside out. The poisons in cigarettes affect your appearance.

• Smoking causes yellow, stained teeth and can cause bad breath and thick, gross phlegm.
• Smoking can cause lines and aging above your lip.
• Smoking can seriously dry out your skin, making it red and cracked and giving it a dull, grey appearance.
• Smoking can cause discoloration of the fingers and fingernails on the hand used to hold cigarettes. Talk about wasting a good manicure.
• Smoking won't make you look older, it will make you look old. Smoking doesn't let your body form enough collagen, which makes your skin soft and supple. That's part of the reason why female smokers are three times as likely to have moderate to severe wrinkling as female nonsmokers. Want to look like a teenage granny? Didn't think so.
• Smoking makes hair and clothes smelly.
• Smoking causes brittle, busted hair.