How Long Does Secondhand Smoke Stay In Your System?

secondhand smoke

You are a smoker; of course, you will face many side effects of some harmful components inside cigarettes or tobacco. However, even if you don’t smoke directly, you are exposed to toxins from secondhand smoke, and you are at a high risk of some diseases. So let find out how long does secondhand smoke stays in your system?

Many people don’t know that no smoking but inhaling the air effortlessly around where smokers smoke tobacco will be dangerous.

What is the definition of secondhand smoking?

Secondhand smoking mentions the environment around people who smoke contain reek with many toxic substances inside, such as ammonia, benzene, carbon monoxide or cyanide. These chemicals have existed in many goods around life, such as cleaning products, petrol, car waste, or chemical weapons [1].

All those products from smoking can bring harm to people who inhale involuntarily.

That’s it about smoke? The answer is no. The rest of the smoke can be kept in the hair, clothes, or furniture. That is dangerous for your visitors if anybody smokes in your house [1].

And then you ask how long does secondhand smoke stay in your system, too? Let’s see other information first before answering this question.

What Are Side Effects of Secondhand Smoke?

Secondhand smoke has to face many severe medical diseases containing [1]:

  • Cancer: you are at the same risk as smokers with lung cancer. Moreover, Who can suffer from leukaemia, a severe and chronic blood disease, when you contact benzene frequency.
  • Cardiovascular diseases: some toxins in the air you inhale will destroy your blood vessels and how the blood goes into the body. If you contact secondhand smoke, you have more risk of heatstroke or other heart diseases than other people.
  • Lung cancer: the air is not clean, so the dirty air will be exchanged in your lung, interfering with your lung function. Having asthma or chronic obstructive pulmonary disease (COPD) are some issues secondhand smoke can run.

Older adults, children and expecting moms are some vulnerable objects of secondhand smoke. Being pregnant inhales secondhand smoke can cause congenital disabilities such as low birth weight, stillborn, premature delivery or infection [1].

If an expecting mom inhales this polluted air, she will develop high risks of giving birth. As a result, the baby can be delivered prematurely with a lower weight than average or die during the first time after birth [1].

The babies can quickly get some respiratory diseases such as asthma or infection if their parents smoke more often.

How long does secondhand smoke stay in your system?

Many people think if they don’t smoke, they will not present diseases related to tobacco. However, there is no difference between a smoker and secondhand smoke. Chemical toxins will stay in your body at the same time.

How long does secondhand smoke stay in your system is still hard to figure out today. But, just knowing that smoke can be kept in some places on your body for a long time, such as blood, urine, saliva, and hair [2].

Nicotine is one of the harmful ingredients in tobacco that is shown evidence about timekeeping in the body. After going to circulation, nicotine will break down to cotinine almost. Cotinine is easily defective by some particular tests because of stability more than nicotine [2].

If you are usually exposed to secondhand smoke, cotinine will last up to four days in your urine. For the bloodstream system, cotinine can find in your blood for about ten days after your last exposure to secondhand smoke. However, nicotine is detected for up to three days [2].

Both cotinine and nicotine are positive in your saliva system, with testing for about four days. Besides, hair nicotine can be present for some months or a year [2].

How Can You Avoid Secondhand Smoke?

The answer is unclear about how long secondhand smoke stays in your body, but you need to protect yourself from reducing the side effects of secondhand smoke. Find a good environment for yourself is an ideal way to help you decrease risks of exposure, such as:

  • No smoking at home: if anybody in your house wants to smoke, you should remind them to go outside.
  • No smoking at the workplace: there are many signs of no smoking at many workplaces today. Everybody should obey these rules.
  • Get away from the smoke environment: sometimes, you can’t control secondhand smoke; if you see someone smoke in public areas, you should ask them to stop doing that. In some desperate cases, they will not quit. You should go far away from them to protect yourself.

Besides, find many problems that secondhand smoke will bring to people; they want to know how long secondhand smoke stays in your body. Before knowing more about that, you should find a solution to avoid them at first. Applying many ways to help you and your family does not present many medical problems.


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