• Malnutrition and concurrent infections. Comparison of two populations with different infection rates 

      Mata Jiménez, Leonardo (Viral Diseasses in South-East Asia and the Wester Pacific, 1982)
      Repetitive infections induce malnutrition and growth retardation in children living in impoverished environments, even if food is available. Infection precipitates severe malnutrition in individuals already undernourished. ...
    • Malnutrition and infection in a typical rural Guatemalan Village: Lessons for the planning of preventive measures 

      Mata Jiménez, Leonardo; Behar, Moisés (2010-09-01)
      A long-term prospective study of fetal and postnatal growth and possible influenceson growth was initiated in 1963in a Guatemalan village.A high proportion of the infants were of low birth weight and they were more at risk ...
    • Malnutrition-infection interactions in the tropics 

      Mata Jiménez, Leonardo (1975-07)
      Mr. President Dr. Rozeboom, Officers and Members of the Society, ladies and gentlemen: I begin with a word of appreciation to Dr. Desowitz and Members of the Charles Franklin Craig Lectureship Committee for having invited ...
    • Meeting 24-h movement guidelines and markers of adiposity in adults from eight Latin America countries: the ELANS study 

      Ferrari, Gerson Luis de Moraes; Cristi Montero, Carlos; Drenowatz, Clemens; Kovalskys, Irina; Gómez Salas, Georgina; Rigotti, Attilio; Cortés Sanabria, Lilia Yadira; Yépez García, Martha Cecilia; Liria Domínguez, María Reyna; Herrera Cuenca, Marianella; Peralta, Miguel; Marques, Adilson; Marconcin, Priscila; da Costa, Roberto Fernandes; Leme, Ana Carolina Barco; Farías Valenzuela, Claudio; Ferrero Hernández, Pablo; Fisberg, Mauro (2022-07-05)
      This study aimed to compare compliance with 24-h movement guidelines across countries and examine the associations with markers of adiposity in adults from eight Latin American countries. The sample consisted of 2338 ...
    • Membrane processing effect of blackberry (Rubus adenotrichos) on cytotoxic and pro-apoptotic activities against cancer cell lines 

      Madrigal Gamboa, Verónica; Jiménez Arias, Johan; Hidalgo Muñoz, Olman; Quesada Mora, Silvia; Pérez Carvajal, Ana Mercedes; Azofeifa Cordero, Gabriela (2021-04-23)
      Berries are considered an important source of bioactive compounds. In the tropics, Rubus adenotrichos is commonly cultivated, and it is consumed mostly in processed forms. This study assessed the effect of industrial ...
    • Metabolic and Performance Responses to Carbohydrate Intake During Exercise 

      Aragón Vargas, Luis Fernando (2000-09)
      During exercise, an adequate supply of substrates is required for the continuing resynthesis of ATP in working muscles. Muscle fibers have limited stores of creatine phosphate, glycogen, and triglycerides and so must also ...
    • Methodological desing for the assessment of physical activity and sedentary time in eight Latin American countries 

      Ferrari, Gerson Luis de Moraes; Kovalskys, Irina; Fisberg, Mauro; Gómez Salas, Georgina; Rigotti, Attilio; Cortés Sanabria, Lilia Yadira; Yépez García, Martha Cecilia; Pareja Torres, Rossina Gabriella; Herrera Cuenca, Marianella; Zalcman Zimberg, Ioná; Guajardo, Viviana; Pratt, Michael; Scholes, Shaun; Gonçalves, Priscila Bezerra; Solé, Dirceu (2020)
      Worldwide studies of physical activity and sedentary time have historically under-represented low- and middle-income countries due to the lack of surveillance data. The purpose of this paper is to describe the methods and ...
    • Mezclas vegetales nutritivas y simples para el niño costarricense 

      Murillo González, Sandra; Mata Jiménez, Leonardo (Revista Medica Hospital Nacional de Niños Dr. Carlos Sáenz Herrera, Costa Rica 15(1): 71-90, 1980)
      Con el fin de contribuir a mejorar la alimentación del niño costarricense, se elaboraron mezclas vegetales teóricas de alto valor nutritivo. Esas mezclas consisten en la combinación de una leguminosa con un cereal o ...
    • Micronutrientes y enfermedades crónicas: ¿hacia donde apunta la evidencia científica? 

      Gómez Salas, Georgina (2009-07)
      Los estudios observacionales han demostrado, de manera consistente, una asociación positiva entre el consumo de dietas ricas en frutas y vegetales, y un menor riesgo de enfermedad cardiovascular, cáncer, enfermedad ...
    • Modelo preclínico de obesidad basado en alimentos altamente procesados y de alta palatabilidad 

      Quesada Quesada, Dayana; Hernández Solano, Mónica I.; Brenes Sáenz, Juan Carlos; Vindas Smith, Rebeca (2022-01)
      Introducción: el alarmante incremento de la obesidad en todo el mundo y en Costa Rica responde principalmente a modificaciones en la composición de la dieta habitual de las personas. La presente investigación tuvo como ...
    • Motorcycle Enduro Race in Heat: Fluid Balance and Thermoregulation 

      Javornik Krope, Ricardo Martín; Aragón Vargas, Luis Fernando; García, Pedro Reinaldo (2007-05)
      PURPOSE: To evaluate the hydration status, fluid balance and core temperature changes during an enduro motorcycle race. METHODS: 12 professional male enduro drivers gave written informed consent to participate. Data were ...
    • Mucosal infection and malnutrition 

      Mata Jiménez, Leonardo; Salas Chaves, Pilar (Neonatal infection. Grune y Stratton p. 299- 213, 1984)
      The mucosal infections that result in acute diarrheal diseases (ADD) and acute respiratory infections (ARI) account for more than one half of all the morbidity of infants and young children throughout the less ...
    • New developments in sports nutrition: introduction and historical overview 

      Aragón Vargas, Luis Fernando (2003)
      The science of sports nutrition is quickly growing to maturity. The last two decades have seen the publication of the International Journal of Sports Nutrition and many sound textbooks such as those edited by Ron Maughan ...
    • El niño agredido y la desnutrición: observaciones epidemiológicas en Costa Rica 

      Mata Jiménez, Leonardo; Quesada, Ana Virginia; Saborío, Flory; Mohs Villalta, Edgar (Revista Médica del Hospital Nacional de Niños Dr. Carlos Sáenz Herrera: 15(1), 137-148. 1980, 1980)
      The present paper analyzes hospital records of 33 cases of battered child syndrome in connection with variables of the mother and in relation to the nutrítional state of the children involved. Associations indicate that ...
    • No effect of carbohydrate feeding on 16 km cycling time trial performance 

      Jeukendrup, Asker E.; Hopkins, Shaun; Aragón Vargas, Luis Fernando; Hulston, Carl (2008-11-24)
      The aim of this study is to investigate the effects of CHO ingestion during high intensity exercise performance lasting approximately 25 min. Twelve endurance trained male cyclists (age 19–41 years; body mass 73.2 ± ...
    • La nutrición en Costa Rica 

      de Céspedes Montealegre, Carlos (1991)
      El nuevo Hospital Nacional de Niños se había inaugurado cinco años atrás; sus flamantes instalaciones contrastaban con la incómoda construcción de madera del Hospital San Juan de Dios, nuestro Hospital General. No obstante ...
    • Nutrition and health in societies in transition 

      Mata Jiménez, Leonardo (In: Nutrition in Transition: Proceedings of the Western Hemisphere Nutrition Congress V, Quebec 1977, edited by Philip L. White and Nancy Selvey. (Chicago) American Medical Association, 1978, pp. 351-358, 1978-02-01)
      One often hears the expression that a country or society is "in transition," but there is not a clear definition of such, nor is there an effort to quantitate or characterize the level of transition undergone by a given ...
    • Nutrition and infection 

      Mata Jiménez, Leonardo (Tropical and Geographical Medicine. New York: McGraw-Hill, pp. 206-211, 1984)
      The association of malnutrition and infectious disease (faminepestilence) had been recognized since the beginning of human history, but it was not until the late 1950s that such an interaction was scientifically documented ...
    • Nutritional status of the elderly in Palmares, Costa Rica 

      Havlir, Diane V.; Murillo González, Sandra; Robles, Eduardo; Trejos Willis, Alfonso; Mata Jiménez, Leonardo (Arch Latinoam nutr 33 (2) 409-422, 1983-04-01)
      The nutritional status of aged persons living in a small Costa Rican community was evaluated using anthropometric measurements, clinical findings and dietary surveys. Eighteen per cent of the aged were overweight, a condition ...