Manuel Alejandro Perez Guzman

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This pilot, randomized controlled trial analyzed the effects of a cognitive behavioral therapy (CBT, n = 20) for insomnia vs a sleep hygiene (SH, n = 20) program on the three attentional networks (alertness, orienting, and executive function) and other additional outcome measures (sleep, pain, depression, anxiety, and daily functioning) of fibromyalgia(More)
OBJECTIVE The metabolic syndrome is associated with a high risk of diabetes and cardiovascular disease, and Hispanics in the United States have higher rates than do other ethnic groups. We assessed the prevalence of the metabolic syndrome and its individual components in Puerto Rican adults. METHODS We conducted a cross-sectional study that used a(More)
BACKGROUND Metabolic syndrome (MetSyn) is related to an increased risk for type 2 diabetes and cardiovascular disease. Smokers are at greater risk than nonsmokers of becoming insulin resistant and to develop cardiovascular disease. This study aimed to explore the association between cigarette smoking, MetSyn, and its components among Puerto Rican adults. (More)
Fibromyalgia (FMS) is a complex clinical syndrome that includes many symptoms beyond chronic pain. The studies that have addressed brain morphometry in FMS have had very heterogeneous results. Thus, the question of which specific FMS symptoms and clinical features—pain, but also psychological distress, sleep-related problems, health status, and medication(More)
This work presents the advances in the synthesis and characterization of magnetite-graphene oxide nanocomposite synthetized by coprecipitation. Structural and physicochemical properties were analyzed by X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FT-IR), transmission electron microscopy (TEM) and vibrating sample magnetometer (VSM).(More)
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