NSAIDs user has a risk of gastrointestinal toxicity. Endoscopy is often used in studies of NSAIDs to determine the extent to which the studied drug causes gastrointestinal damage. Most patients taking NSAIDs will develop acute superficial damage to the gastric mucosa, including haemorrhages and erosions. However, in many cases there are no symptoms. The main role of endoscopy is to diagnose gastroduodenal damage in patients who have signs and symptoms e.g. dyspepsia, upper abdominal pain... NSAIDs with improved gastrointestinal tolerability, such as meloxicam, may now reduce the incidents of adverse gastrointestinal events.
Anti-Inflammatory Agents, Non-Steroidal ; Enteritis

In our retrospective study on the contamination of pesticides during 1995-1999, mainly depending on cholinesterase index in blood, 101 workers were interviewed directly by available questionnaire. The results showed that 60 cases of contamination were discovered, this prevalence decreased gradually every year, there were 4 cases (3.96%) in 1999. The types of intoxication were changed little by little from the organic phosphorum to perythroid. The protection and occupational safe and hygiene had been given much attention and brought into play of the preventive effects
Pesticides ; Poisoning

A survey had been conducted with 600 female farmers with the ages of 18-55. Results showed that: female farmers accounted for 51-54% of the 80% totals merely agricultural working force. 85.5% were at primary and secondary education levels. Almost were marriage, 60.5% used family planning method. Drinking water sources, river water and lake water 36.7%; drilling well water 27.36%. 94.8% population still used pond as a toilet. 2000 tons of chemical substances for plant protection with all types were used every year. The disease morbidity rate was 18.6-20% population, mainly respiratory diseases, gynecological disease, arthropathy and osteopathy. 97.05% women were taken part in propagandizing program of the public health.
risk factors ; Industry ; Agriculture ; Female