Algid (Latin algidus – cold) – a symptom complex which is caused by organism dehydration with loss of potassium chlorides and sodium and bicarbonates. Algid is characterized by tonic myotonia of extremities, hemodynamic frustration, a hypothermia, sharp asthma, anury. The disease is, as a rule, observed at patients with cholera.

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When lovers kiss, each of them loses 6,4 calories a minute, but at the same time they exchange nearly 300 species of various bacteria.