cigarettes damage lungs Smoking and Your Physical Health How Smoking Affects the Lungs

Tobacco use also decreases saliva production and bicarbonate content, eliminating important natural buffers against acid exposure

However, this is also when withdrawal symptoms reach their peak, so make sure to power through

During early nicotine withdrawal, levels of dopamine and other neurotransmitters drop, which can lead to neurocognitive effects: [10] Changes in mood, focus, and mental clarity Feeling foggy, distracted, or restless Deficits in attention, working memory, and impulse control These symptoms often emerge within hours of quitting and can last for days or weeks

When the body becomes dehydrated, it retains as much fluid as possible, and that fluid retention often causes facial puffiness

It can also lead to an earlier death

World J Hepatol