A member asked:

My question is what causes the left front big muscle/vein on your neck to be larger than the right plus muscle tightness ?

A doctor has provided 1 answer
Dr. John Landi answered

Specializes in Phlebology

Positional change.: The veins in the neck just as the veins in the rest of the body change in size depending on changes in position as well as changes in levels of hydration and changes in pressure in the chest and abdominal cavity. In the neck, the veins decrease with standing and increase with lying down. Straining or laughing increase the the pressure in the chest which can increase the size of the facial veins.

Answered 10/30/2020

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Chronic daily headaches and tight next muscles, is bad neck posture the cause?

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