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Aims : * exploring lorazepam (0.038 mg/kg) effects, after a single oral intake, in healthy volunteers, on the neural correlates of encoding and retrieval of information during a word-stem completion task (implicit memory), using fMRI * comparing lorazepam effects to diazepam (0.…

Purpose: A growing body of epidemiological data suggests an increased risk of cardiovascular events associated with air pollutants. Reactive oxygen species (ROS) have been implicated as a potential mechanism for the adverse effects of air pollutants and genetic polymorphisms of t…

The investigator would like to see if aspirin could block niacin-induced flushing by analyzing blood and urine after taking aspirin. Phase I: Subjects were assigned to either placebo or aspirin groups. They were given 5 days of 81 mg aspirin or placebo. On day 5, they were given…

The purpose of this study is to further define the neurological and linguistic deterioration in primary progressive aphasia.

This study will examine what methods work best for encouraging Mexican-American family members to talk about their risk for diabetes, heart disease, breast cancer and colon cancer. Within the Mexican-American community, the family culture provides an important setting in which in…

The investigators' project has for principal objective to evaluate the impact of three specific ruminant milk fats with a Trans Fatty Acid content ranging from 2.9% to 12.2% obtained by modification of the cow's diet on cardiovascular risk factors in healthy subjects.

Total joint replacements are some of the most successful medical devices developed over the last fifty years. They enable millions of people to remain ambulatory and pain free, with minimal risk. In 2002, over 200,000 total hip replacements, 350,000 total knee replacements, and 2…

This retrospective observational study aims to evaluate the association between neck tumor burden and high-risk imaging features with locoregional recurrence and distant metastasis in patients with stage N3 nasopharyngeal carcinoma, and to explore the potential benefits of neck d…

This study will describe the phenotype (physical and behavioral traits) of overweight and obese people. It will characterize the hormones, metabolism, food preferences, fitness and physical activity levels, sleep patterns and thought processes in people with and without weight pr…

The purpose of this study is to determine the effect of weight loss on bone health in men.

The purpose of this study is to learn how the amount of protein during moderate weight loss influences bone health. We will also examine how two levels of protein intake affects diet quality.

Background: * It is not fully understood why prostate cancer in some men becomes androgen-independent (no longer responds to anti-androgen medication), but genetics likely plays an important role. * Genes contain the hereditary information that is passed down from parents to chi…

The purpose of this study is to help us understand more about your experience with penile injection therapy. Many men become anxious when thinking about penile injections. We would like to understand more about this anxiety. You will be asked to fill out questionnaires before you…

Acamprosate will be given to approximately 30 DUI Court participants for 3 months and outcomes will be monitored. The hypothesis is that acamprosate will be safe and well-tolerated and that subjects' craving and other symptoms related to addiction will improve over time.

The investigators will test the hypothesis that patients with chronic orthostatic intolerance or postural orthostatic tachycardia syndrome (OI or POTS) will be unable to conserve urinary sodium as compared to healthy control subjects.

Endoscopic retrograde cholangiopancreatography (ERCP) for common bile duct stones (CBDS) removal can be performed under varying levels of sedation. Deeper sedation has been associated with more successful cannulation, but little is known about the efficacy of ERCP measured as rat…

The Cutaneous Lupus Erythematosus (CLE) database, established in 2006, is a multi-site database between the University of Pennsylvania and the University of Texas Southwestern (UTSW).

The purpose of this study is to estimate Osteoporosis' prevalence in France and is a pilot study in the Department of the Alpes-Maritimes.

This study will use magnetic resonance spectroscopy (MRS) to measure in the brain the transfer of \[13\]C as it is naturally metabolized from glucose to specific chemical transmitters. From this method, we can measure the rate of production of an important excitatory neurotransmi…

Background: \- The Neuroimaging Research Branch of the National Institute on Drug Abuse (NIDA) is interested in developing a pool of potential research participants who may be eligible for research studies on drug abuse and addiction, pharmacological and psychosocial therapies f…