anything done or to be done; anything requiring action or effort; business; concern: an affair of great importance. 2. affairs, matters of commercial or public interest or concern; the transactions of public or private business or finance:
Hyperlactatemia is defined as a persistent, mild to moderate (2-4 mmol/L) increase in blood lactate concentration without metabolic acidosis, whereas lactic acidosis is characterized by persistently increased blood lactate levels (usually >5 mmol/L) in association with metabolic acidosis.
In a healthy person, 30 percent of the blood is made up of good cholesterol. The American Heart Association recommends a HDL level higher than 60 mg/dL. An HLD level less than 40 for men and less than 50 for women is considered dangerous.