Definition of Physical Barriers. Physical barrier is the environmental and natural condition that act as a barrier in communication in sending message from sender to receiver. Organizational environment or interior workspace design problems, technological problems and noise are the parts of physical barriers.
Nitrate: Health Effects in Drinking Water. Nitrate is one of the most common groundwater contaminants in rural areas. It is regulated in drinking water primarily because excess levels can cause methemoglobinemia, or blue baby disease.
Other Nexium side effects reported include headache, diarrhea, nausea, flatulence, abdominal pain, or constipation; or dry mouth. Some studies indicate headache is common. The most common Nexium side effects appear to be gastrointestinal. This medication can interfere with the absorption of certain drugs.