Progressive plaque in a 9-year-old boy
image description here Anxious parents present their healthy 9-year-old son for evaluation of a slowly enlarging plaque that began developing on his lower back 3 months ago.

What's the diagnosis?
 
Vaping characteristics that influence cigarette use
image description here Vaping has been identified as a gateway for teenagers to smoke combustible cigarettes. A new study looks at the characteristics that might create that gateway.

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