A substantial cause of preventable illness

Externalities Cause Large and Preventable

In traditional economic models, individual utility depends only on absolute consumption. These models lie at the heart of claims that pursuit of individual self-interest promotes aggregate welfare. Recent years have seen renewed interest in economic models in which individual utility depends not only on absolute consumption, but also on relative consumption. In contrast to traditional models, t...

Trachoma: global magnitude of a preventable cause of blindness.

OBJECTIVES Trachoma is the leading cause of infectious blindness worldwide. It is known to be highly correlated with poverty, limited access to healthcare services and water. In 2003, the WHO estimated that 84 million people were suffering from active trachoma, and 7.6 million were severely visually impaired or blind as a result of trachoma: this study provides an updated estimate of the global...

Exogenous testosterone: a preventable cause of male infertility

MAIN PROBLEM Testosterone replacement therapy inhibits spermatogenesis, representing a problem for hypogonadal men of reproductive age. METHODS A literature review of PubMed from 1990-2013. Semen analysis and pregnancy outcomes, time to recovery of spermatogenesis, serum and intratesticular testosterone levels were examined. RESULTS Exogenous testosterone suppresses intratesticular testoste...

Congenital cataract: a cause of preventable blindness in children.

Congenital cataract, a cause of preventable child blindness.