this sensation arises from the nervous system's increased excitability. Fatigue: Persistent tiredness and a general feeling of weakness can signal low calcium levels. Dry skin and brittle nails ...

This is most commonly associated with neurons, but more recently astrocytes have also been shown to exhibit ‘cellular excitability’, resulting from changes in calcium ion concentration in the ...

Having a coronary artery calcium (CAC) score of zero has generally been accepted as a marker of a very low risk of having a cardiac event within the next five years. However, age is a strong ...