abstract   background: amyotrophic lateral sclerosis (als) is a progressive neurological disorder with high mortality and morbidity. some risk factors have been implicated for als such as exposure to high magnetic fields, and trace elements like selenium, cadmium and lead. afew studies have been carried out throughout the world to evaluate the prevalence of als among veterans. this study was ai...

background: despite the genetic heterogeneity reported in familial als (fals), sod1 gene mutations are the most frequent cause of fals, accounting for around 20% of familial cases (als1) and isolated sporadic cases. mutant forms of sod1 exhibit toxicity that promotes the death of motor neurons. it is well documented that fals produces protein aggregates in the motor neurons of fals patients, wh...

brain areas implicated in the stress response include the amygdala, hippocampus and prefrontal cortex. neonatal stimulation of an animal by handling or by enhanced maternal care induces at adult age a decrease of the hypothalamo-pituitary adrenal (hpa) response to stressors, a decrease of anxiety in a novel environment, and neuroanatomical changes. in this present study we demonstrated that mat...

objectives: patellar maltracking is the main reason for pain and disability in patellofemoral pain syndrome (pfps). patellar taping can considerably reduce such pain and disability. this study compared the effectiveness of physiotherapy exercises and kinesio taping on the patellar position in women with pfps (mean age 32.2±1.12 years) by using magnetic resonance imaging (mri). methods: thirty w...

on the circular curve, lateral acceleration affects comfort. on the spiral, both lateral acceleration and jerk affect comfort.  the determination of maximum curving speed on the basis of lateral acceleration only is not critical because the lateral acceleration is proportional to the square of speed whereas jerk is proportional to cubic power of speed. the maximum speed on a curve is thus signi...

On the circular curve, lateral acceleration affects comfort. On the spiral, both lateral acceleration and jerk affect comfort.  The determination of maximum curving speed on the basis of lateral acceleration only is not critical because the lateral acceleration is proportional to the square of speed whereas jerk is proportional to cubic power of speed. The maximum speed on a curve is thus signi...

the anatomic anomalies detection is important for an attentive clinician. asuccessful treatment of an endodontically involved tooth should make itfunctional and aesthetically acceptable for the patient. the following articlepresented a case of gemination and the endodontic, prosthetic and periodontaltreatments which were done to keep a complicated tooth in aesthetic zone

background: the rapidity of progression of amyotrophic lateral sclerosis (als) to death or respiratory failure impacts patients, clinicians, and clinical investigators. the aim of this study is to evaluate of the pulmonary function tests (pfts) in patients with als and the association between these pfts and survival methods: a total of 36 als patients who pfts, including vital capacity (vc), ma...

introduction: for a successful root canal treatment, canal must be obturated apically, coronally and laterally to prevent microleakage and canal reinfection. cold lateral condensation is the most popular method of canal obturation; an easy method with a controlled filling. cold lateral technique disadvantages are presence of void, possible vertical root fracture, and absence of a homogenous and...