14 things to never lie to your doctor about
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5. Your smoking habits
One of the reasons you might say you only smoke socially, when really, you're blowing through a pack a day?
It's less and less accepted to be a smoker.
Every doctor - from a cardiologist to a dermatologist - will recommend you cut out the dangerous habit.
So when they ask if you're puffing? You might want to lie, but US plastic surgeon Dr Andrew J Miller says to come clean.
"One of the biggest habits that patients are often not truthful about is smoking. Nicotine is very detrimental to healing and many surgeons will not perform certain surgeries because the incision may break down, causing significant scarring after a long healing process. Sometimes the patient has lied about smoking just to get the procedure done, but in the end they are just hurting themselves," he says.
Need a greater incentive to give up cigarettes? Take a look at the 15 mind-blowing ways your body heals after you quit smoking.