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Answer:

severe diarrhoeal diseases are among the leading causes of mortality in infants and young children in many developing countries like Nigeria and other Africa countries. In most cases, death is caused by dehydration.

During this diarrhoea there is an increased loss of water and electrolytes (sodium, chloride, potassium, and bicarbonate) in the liquid stool. Water and electrolytes are also lost through vomit, sweat, urine and breathing. Dehydration occurs when these losses are not replaced adequately and a deficit of water and electrolytes develops

If the body loses a substantial amount of fluids and salts and they are not quickly replaced; for example: by drinking, the body starts to "dry up" or get dehydrated. Severe dehydration could  cause death.

Yes, chronic or severe diarrhea leads to life-threatening dehydration because it causes a large amount of loss of water with the excretion, which will cause dehydration.

What is diarrhea?

Diarrhea is an issue when the stool becomes very loose and contains a large amount of water. This condition cause dehydration in the body. Dehydration causes weakness and other problems.

As our body is made up of 90% water, severe dehydration leads to the death of the person. That's why severe diarrhea can cause life-threatening conditions.

Thus, Yes, severe or persistent diarrhea can cause life-threatening dehydration because it produces significant water loss through excretion, which results in dehydration.

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