Benjamin R Hansen

Learn More
In a double-blind clinical trial, a total of 463 volunteers were enrolled in a study designed to compare the effects of zinc gluconate lozenges (4.5 mg zinc) and a placebo for common cold. The tablets were to be taken every 1-1 1/2 waking hours at the first symptoms and for the following days until the common cold was over, but for no longer than 10 days.(More)
PURPOSE To assess the relationship between foveal pit morphology and size of the foveal avascular zone (FAZ). METHODS Forty-two subjects were recruited. Volumetric images of the macula were obtained using spectral domain optical coherence tomography. Images of the FAZ were obtained using either a modified fundus camera or an adaptive optics scanning light(More)
Sleep complaints are frequent in patients with rheumatoid arthritis (RA) and sleep disturbances may contribute to pain and other daytime complaints. The aims of the current study were to compare ambulatory sleep recordings from consecutively selected patients with RA to those obtained in healthy controls, and to study the relationships between sleep(More)
OBJECTIVE To determine whether MR imaging in flexion adds value relative to imaging in the neutral position with respect to displaying involvement of the subarachnoid space, brainstem and spinal cord. DESIGN AND PATIENTS T1-weighted MR images of the cervical spine in 42 rheumatoid arthritis patients with cervical spine involvement were obtained and(More)
Acrylamide is an industrial chemical used to manufacture polymers, and is produced in foods during cooking at high heat. Hemoglobin adducts provide a long-lived dosimeter for acrylamide and glycidamide. This study determined acrylamide and glycidamide hemoglobin adducts (AAVal and GAVal) during a lifetime carcinogenesis bioassay. Exposure to acrylamide in(More)
Heart rate, intra-aortal blood pressure, cardiac output and peripheral vascular resistance were registered in 11 hypertensive and 11 normotensive subjects during exercise (up to 80 W on a bicycle ergometer), a semi-standardized interview concerning personal life situations, exposure to slides showing parents and marriage partners of the subjects, and during(More)
  • 1