It is also known as laryngeal dystonia. The term spasmodic describes sudden and intermittent jerking movements of muscles and, as such, SD is characterised by poor vocal motor control during speech due to intermittent and involuntary spasms of the laryngeal muscles.
Low iron levels are one of the most common reasons for chronic coldness. Here's why: Iron is a key mineral that helps your red blood cells carry oxygen throughout your body, bringing heat and other nutrients to every cell in your system, explains Dr. Phillips.
Feeling cold: A sensation of coldness. See detailed information below for a list of 13 causes of Feeling cold, Symptom Checker, including diseases and drug side effect causes. Â» Review Causes of Feeling cold: Causes | Symptom Checker Â». Home medical tests possibly related to Feeling cold: Cold & Flu: Home Testing: