Consistent with the notion that structural alterations in these regions are a product of prolonged nicotine/tobacco exposure, group differences between smokers and nonsmokers within, for example, the insula were not detected among an adolescent/young adult participant sample with relatively lower exposure levels (0.9 0.7 pack-years on average) [85] but were observed among similarly aged individuals with relatively higher exposure levels (4.0 1.8 pack-years) [86]
Despite similar level of bronchoconstriction the degree of dyspnea sensation may be widely variable in COPD [35, 36] as well as in asthmatic patients [16, 37, 38]
Vaping is hot news and has led to questions about safety, accessibility, and age limits
EU first report charting progress on its clinical trials ambitions The European Commission, the Heads of Medicines Agencies (HMA) and the European Medicines Agency (EMA) have published their first quarterly report tracking progress toward their 2030 targets introduced in 2025 under the Accelerating Clinical Trials in the EU (ACT EU) initiative
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Quality Assessment: How to Identify High-Quality Kief Color: High-quality kief has a light blonde or golden color, indicating a high concentration of trichomes with minimal plant matter