This is an issue that deserves attention, as research examining iron levels in Americans shows that more people have iron levels that are considered too high, than levels that are deficient. In one study of more than 1,000 people, only 3 percent were iron deficient, but 13 percent had iron overload. 1. What are the Health Risks of Too Much Iron?
Clonus is a sign of certain neurological conditions, particularly associated with upper motor neuron lesions involving descending motor pathways, and in many cases is, accompanied by spasticity (another form of hyperexcitability).
Various myoclonic syndromes. Mycoclonus is a sudden brief, shock-like muscle movement caused by a brief muscle contraction (positive myoclonus) or inhibition of a muscle contraction (negative myoclonus) It can mimic idiopathic drop attacks, and the patient can fall suddenly with buckling of the legs.