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.
If you are a very thin women, you donât tolerate cold environments well because of your low fat and muscle percentage. Both assist in keeping us warm. Heat intolerance is the inability to be comfortable when the air temperature rises. It gives you that overheated feeling, along with a cause for some excessive sweating. A heat sensitivity can be caused by a metabolism issue too. As well as, hormonal changes or other reasons.