Administration of caffeine to mice exposed to ultraviolet B radiation appears to prompt apoptosis of damaged cells via a process involving the ATR (ataxia-telangiectasia mutated and Rad3-related) pathway, according to researchers. Reuters Health Information
Uncircumcised men are at an increased risk for infection with human papillomavirus, including oncogenic types, in the glans/corona of the penis, researchers from Hawaii report. Reuters Health Information
A Canadian study finds there is little difference between cancer survivors and the general population: the majority are not physically active and half are overweight or obese. Medscape Medical News
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
Complete skin examination with dermoscopy takes longer to conduct vs complete skin examination alone in skin cancer screening, but clinicians should consider screening using either method. 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
Melanomas of the neck or scalp are associated with worse survival than those affecting other sites, including those involving the nearby face and ears, according to a report in the Archives of Dermatology for April. Reuters Health Information
