The ceramides are classified based on the structure of their polar headgroup (sphingosine S, dihydrosphingosine dS, phytosphingosine P and 6-hydroxysphingosine H) and a substitution of their acyl chain (non-substituted N, -hydroxylated A, -esterified EO or -hydroxylated O) (Supplementary Fig
The health benefits of quitting smoking remain substantial and clear. The study involved more than 410,000 adults in South Korea who were smokers at the beginning of the study
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Qualitative methodologies are appropriate for obtaining patient-level data on healthcare service issues that are relevant and context-specific for them 25
When we talk about how addictive tobacco is, for many, it is a lifelong addiction, and we need to care for it like other lifelong chronic health problems. Studies that adopt that way of approaching dependence achieve better smoking cessation results, Hitsman added
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