In a prospective analysis, smoking was linked to an increased risk for incident psoriasis, and the risk among former smokers decreased to nearly that of never-smokers 20 years after cessation. Medscape Medical News
Reports of allergic contact dermatitis and delayed hypersensitivity reactions to this anesthetic are limited. The authors report 16 cases of lidocaine contact allergy seen over 5 years. Dermatitis
A cohort study supports a diameter criterion of a suspicious skin lesion larger than 6 mm as a useful guideline for the early detection of cutaneous melanoma. Medscape Medical News
Switching to another tumor necrosis factor (TNF)-alpha antagonist is more likely than not to be successful in patients with ankylosing spondylitis (AS) or psoriatic arthritis (PsA) who fail to respond to an initial TNF-blocker. Reuters Health Information
In a randomized controlled trial, early supplementation with glutamine lowered the risk for atopic dermatitis by 87% in low-birth-weight infants. Medscape Medical News