Karena M Johnson

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The purpose of these studies was to test the hypotheses that simplified nutrition labeling and taxation alter food selection and intake. In Experiment 1, participants consumed lunch in the laboratory three times with no labels, standard nutrition labels, or traffic light diet labels at each visit. In Experiment 2, participants were given $6.00 with which to(More)
Neonatal sepsis caused by Haemophilus influenzae is characterized by an early onset syndrome associated with pneumonia, shock and neutropenia. Over a 30-month period 13 infants referred to this hospital had early onset H. influenzae sepsis. Obstetric complications included preterm labor (92%), prolonged rupture of membranes > 12 hours (63%), maternal fever(More)
Increased visibility of food labels is a potential method to reduce the rate of obesity. However, few empirical studies have investigated the impact of nutrition labeling on food selection or energy intake. This study tested the hypothesis that nutrition labeling in combination with nutrition label education would promote reductions in energy intake using a(More)
OBJECTIVE Determination of rifapentine pharmacokinetics in healthy adolescent children. DESIGN Prospective Phase II clinical trial. SETTING Clinical research center within a university children's hospital. PATIENTS Twelve subjects ranging in age from 12 to 15 years, male and female. INTERVENTIONS A single oral dose of rifapentine was administered to(More)
BACKGROUND Pleconaril is an orally active, broad spectrum antipicornaviral agent with activity against nonpolio enteroviruses. Pleconaril phamacokinetics was evaluated in 16 neonates (16.4 +/- 8.7 days postnatal age) with suspected enteroviral infection. METHODS Pleconaril (5 or 7.5 mg/kg) was administered orally to study subjects and plasma pleconaril(More)
Electron spin resonance studies of the free radical signal from isolated skeletal muscle during experimental damage have shown that elevation of muscle intracellular calcium with the calcium ionophore A23187 induced an average 61% increase in the amplitude of the signal of g value 2.0047 compared to paired, untreated control muscles, accompanied by a large(More)
OBJECTIVE To determine the frequency and severity of acute respiratory infections in infants with bronchopulmonary dysplasia following discharge from the neonatal intensive care unit. DESIGN A prospective cohort study of 30 oxygen-dependent children who were younger than 2 years (mean age, 9.8 months; range, 3 to 24 months) were studied from September(More)
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