Could sunscreens increase melanoma risk?

Sunscreens and melanoma: the future looks bright.

BACKGROUND Meta-analyses of observational case-control studies have demonstrated no association between sunscreen use and the development of malignant melanoma. OBJECTIVES To examine whether this observation is to be expected given the period during which the case-control studies were conducted, the sunscreens prevalent at that time, and how sunscreen is used and applied in practice. To predi...

Sunscreens in melanoma and skin cancer prevention.

Analysis of association between sunscreens use and risk of malignant melanoma.

BACKGROUND Epidemiological studies evaluating the association between sunscreens use and malignant melanoma risk have produced inconsistent results. Thus, we conducted a meta-analysis to summarize the evidence from epidemiological studies of sunscreens use with the risk of malignant melanoma. METHODS Pertinent studies were identified by a search in PubMed and Web of Knowledge up to October 20...

Sunscreens do protect against melanoma, says skin cancer specialist.

Sunscreen can help reduce the risk of malignant melanoma, contrary to the finding of a study that received considerable media attention last February, says a skin cancer specialist at Ohio State University’s Arthur G. James Cancer Hospital and Research Institute. "If you’ve heard or read comments to the effect that sunscreens do not protect against malignant melanoma, forget them," said Ronald ...

Could Vertical Integration Increase Innovation?

This paper studies the e ects of vertical integration on innovation in the chipset and smartphone industries. I formulate and estimate a dynamic structural model of a dominant upstream chipset maker and downstream smartphone handset makers. The two sides make dynamic investment decisions and negotiate chipset prices via Nash bargaining. Using the estimates, I simulate market outcomes should the...