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It weakens the immune system, affects the skins health, and accelerates aging, impacting overall well-being

But the cheaper cells "have a much greater chance of having a manufacturing defect," which increases the likelihood for failure, Viswanathan told NBC News
However, our environment, habits and mental health can all contribute to the rate at which these changes occur

It can be done, though

Smoking can greatly impair your health but once you stop smoking, your body will start to heal and regain normal functionality