Monitoring Your Blood Pressure with A Selfie

Monitoring Your Blood Pressure with A Selfie

New research proposes that selfie videos may be used as a more convenient way of monitoring blood pressure. Currently, measuring blood pressure involves cuff-based devices that: Detect the pressure of blood as the heart contracts (systolic blood pressure) Detect the...
Constricted Blood Vessels

Constricted Blood Vessels

Vasoconstriction is the narrowing/constricting of blood vessels, which happens when smooth muscles in blood vessel walls tighten. It’s a normal process that helps the body stay in a healthy balance. Reasons why it may happen include: Loss of body heat in cold...
Define Vasodilation

Define Vasodilation

Vasodilation is the widening of blood vessels and happens when an increase in blood flow is needed. It’s normal but may also be a sign of health issues. Causes of vasodilation Alcohol Immediately causes vasodilation Causes a feeling of warmth, sweat, or flushed skin...

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