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As a result, travellers must follow specific guidelines when entering the country

To explore sperm-associated epigenetic characteristics following nicotine exposure and cessation, sperm DNA methylation status was analyzed using high-performance liquid chromatography (HPLC) for quantifying 5-methylcytosine (5mC)

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At the same time, continued research is needed to define biomarkers of immune aging, determine whether smoking cessation can modify these pathways, and clarify how immunosenescence should inform therapeutic planning across the lifespan

conducted a randomised, double-blind, placebo-controlled trial to assess the effectiveness and safety of cytisine in patients with TB in Bangladesh and Pakistan

The long-term health effects of e-cigarette use are not known, and regulation at the local, state and federal levels is lagging