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tobacco the silent killer class 7th solutions Smoking - A Tobacco: A Silent Killer
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Boils it all off

Source: Business Companion

According to Anam A.s 2025 study, Smoking negatively impacts ocular surface health and corneal nerve metrics., Smokers exhibit 18.8% prevalence of neuromas compared to only 4.2% in non-smokers, with significantly larger neuroma size and total area
Wang et al., 2014)
Mu G, et al

It just feels like I want to fall over.[54] Sleeplessness Some children described recurrent sleeplessness