'Doctors will generally encourage you to lower your cholesterol to improve your heart health - there may be such a thing as too low, new research reveals.
People whose LDL cholesterol falls below 70 may actually be at greater risk of a stroke than those whose LDLs are below 100 but over 70, according to a Pennsylvania State University study published Tuesday.
In addition to being better for overall heart health, low cholesterol is particularly helpful to reduce the risk of an ischemic stroke, which occurs when a blood vessel gets clogged, blocking blood flow to the brain.
But cholesterol that falls too far was linked to 169 percent higher risk of hemorrhagic stroke - the result of a blood vessel becoming weak, and bursting - in the new study.
Heart disease is considered the number one cause of death in the US, but that actually consists of a network of cardiac problems, including cardiac arrest, congestive heart failure, high blood pressure itself and stroke.
Of the 610,000 people that heart disease kills every year, about 140,000 die of strokes.
Hemorrhagic strokes are the less common but more fatal than ischemic ones.
These breaks in weakened blood vessels account for just 15 percent of all strokes in the US, but are the culprit in about 40 percent of stroke deaths.
The American Heart Association's (AHA) broadest and best known advice is to keep everything low: low blood pressure, low cholesterol, low sodium and so on.'
Read more: Low cholesterol can RAISE risk of stroke: LDL levels below 50 linked to 170% greater risk of fatal vessel ruptures
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