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Effect of the veterinary ionophore monensin on the structure and activity of a tropical soil bacterial community
(Taylor and Francis Inc., 2019-10-07)
Monensin (MON) is a coccidiostat used as a growth promoter that can reach the environment
through fertilization with manure from farm animals. To verify whether field-relevant concentrations
of this drug negatively ...
CKD of unknown origin in Central America: The case for a mesoamerican nephropathy
(National Kidney Foundation, 2014-01-13)
An epidemic of chronic kidney disease of unknown origin has emerged in the last decade in Central America and has been named Mesoamerican nephropathy. This form of chronic kidney disease is present primarily in young male ...
Manganese in teeth and neurodevelopment in young Mexican-American children
(Elsevier, 2015-10)
Introduction: Manganese (Mn) is an essential nutrient but higher exposure has been associated with poorer neurodevelopment in children. Methods: We measured Mn levels in prenatal (Mnpre) (n=197) and postnatal (Mnpost) ...
Heat-Related Symptoms in Sugarcane Harvesters
(Wiley, 2015-02-26)
Background: Exposure to heat stress is a documented risk for Central American sugarcane harvesters. However, little is known about heat-related illness in this population. Methods: This study examined the frequency of ...
Polychaetes associated with decaying wood in Térraba mangrove, South Pacific, Costa Rica
(Universidad de Costa Rica, 2015-04)
The present study shows spatial patterns in the faunal assemblage of decaying wood and sediments, with emphasis on the polychaetes. The survey was executed across a salinity gradient in a tropical mangrove estuary of Costa ...
Usefulness of the working conditions and health survey in central America in prevention. Author response to comments by Jensen
(BMJ Publishing Group, 2015-06-05)
We appreciate Dr Jensen's comments1 on the Central American Survey on Working Conditions and Health (ECCTS)2 and his concern that our sampling methodology may have produced biased results. The ECCTS has broadly followed ...
Maternal blood and hair manganese concentrations, fetal growth, and length of gestation in the ISA cohort in Costa Rica
(Elsevier, 2015)
Background: Animal studies have shown that both deficiency and excess manganese (Mn) may result in
decreased fetal size and weight, but human studies have reported inconsistent results.
Methods: We examined the association ...
Caregiving and infants' neurodevelopment in rural Costa Rica: results from the Infants’ Environmental Health Study (ISA)
(Elsevier, 2019-06-05)
Early caregiving is one of the strongest influences on children’s development, and among the most significant modifiable environmental factor. The aim of this study was to explore the association between quality of ...
Aerial application of mancozeb and urinary ethylene thiourea (ETU) concentrations among pregnant women in Costa Rica: the Infants' Environmental Health Study (ISA)
(Environmental Health Perspectives, 2014-12-01)
Background: Mancozeb and its main metabolite ethylene thiourea (ETU) may alter thyroid function; thyroid hormones are essential for fetal brain development. In Costa Rica, mancozeb is aerially sprayed at large-scale banana ...
Decreased Kidney Function Among Agricultural Workers In El Salvador
(Elsevier, 2012-04)
Background: An epidemic of chronic kidney disease of unknown cause has emerged along the Pacific coast of Central America, particularly in relatively young male sugarcane workers. In El Salvador, we examined residence and ...