It measures overnight changes in oxygen level in the blood, called oxygen saturation, together with changes in peripheral arterial tone, the degree of
blood vessel constriction in the fingers, in response to breathing disruptions.
Poor dietary habits and a lack of exercise greatly increase the risk
of blood vessel constriction — which is often increased in overweight and obese adults... Read More»
Two other genes that the analysis suggested had evolved in the Bajau were BDKRB2, which
controls blood vessel constriction in the extremities, and FAM178B, which helps regulate carbon dioxide balance in the blood.
«The main value of our research is the pinpointing of the importance of endothelin - 1 and
blood vessel constriction to multiple vascular diseases,» says senior author Sekar Kathiresan, a cardiologist at the Broad Institute of MIT and Harvard University.
And recent research suggests that the auras are not due to
blood vessel constriction.»
For instance, in addition to dampening the glutamate response to loud sounds, magnesium limits
the blood vessel constriction in the inner ear that typically accompanies intense noise.
The researchers also reported that the presence of certain genes involved in processes such as immune function, nerve impulse transmission,
blood vessel constriction and circadian rhythms were associated with an increased number of hot flashes.
Magnesium plays a role in neurotransmitter function and blood circulation, regulating
the blood vessel constriction that often leads to migraines.
This dietary shift has created an alarming imbalance that researchers believe may contribute to inflammation, blood clot formation, and
blood vessel constriction.
This competition effect is troubling because among the many uses the body has for omega - 3s and -6 s, it converts them to signaling molecules called eicosanoids, which promote unhealthy amounts inflammation, blood coagulation, and
blood vessel constriction.