Alzheimer's disease is a neurological disorder in which the death of brain cells causes memory loss and cognitive decline. A neurodegenerative type of dementia, the disease starts mild and gets progressively worse. Like all types of dementia, Alzheimer's is caused by brain cell death. The most common presentation marking Alzheimer's dementia is where symptoms of memory loss are the most promine...

this paper deals with the study of a leaf spot disease observed on aloe vera leaves in various nurseries and botanical gardens during the routine surveys of two consecutive years of 2010 and 2011. the symptoms appeared in the form of circular to oval, brown to black, sunken spots on abaxial surface of leaves. the disease was observed only in january to february during the survey. colonieson pda...

rheumatoid arthritis is a chronic systemic inflammatory disease that affects approximately 0.5-1% of the world population. the current approach to this disease is to start an intensive treatment without delay once the disease has developed. various studies in the literature have shown that combination of disease modifying antirheumatic drugs such as sulfasalazine and chloroquine offers a more a...

background: hairdressers are occupationally exposed to a number of agents in their workplace that result in respiratory symptoms and changes in pulmonary function. objective: to evaluate associations between occupational exposure and respiratory function and reported symptoms in a group of hairdressers compared to a control group. methods: a questionnaire on respiratory symptoms and workplace c...

huntingtons disease is caused by a dominantly transmitted cag repeat expansion mutation that is believed to confer a toxic gain of function on the mutant protein. huntingtons disease patients with two mutant alleles are very rare. in other poly (cag) diseases such as the dominant ataxias, inheritance of two mutant alleles causes a phenotype more severe than in heterozygotes. in our evaluation, ...

safety climate received substantial attention due to its potential for explaining variation in safety-related outcomes. aim of present study was to determine degree of safety climate related to incidents reporting rate and its dimensions among workers’ isfahan steel company. a self-administered anonymous was distributed to 189 workers. the survey included demographic factors, incidents reportin...