There are about 2,500 BTU in one cubic foot of propane and only about 1,000 BTU in one cubic foot of natural gas. Manufacturers tout the number of BTU their grills can produce, but the number can be very misleading. BTU is not indicative of the heat it can generate.
When physical symptoms considered to be somatic symptom disorder occur, it can be difficult to accept that a life-threatening illness has been eliminated as the cause. Symptoms cause very real distress for the person and reassurance isn't always helpful. Specific sensations, such as pain or shortness of breath, or more general symptoms, such as fatigue or weakness. 2  Unrelated to any medical cause that can be identified, or related to a medical condition such as cancer or heart disease, but more significant than what's usually expected.
Obsessive-compulsive disorder. In somatic symptom disorder, the recurrent ideas about somatic symptoms or illness are less intrusive, and individuals with this disorder do not exhibit the associated repetitive behaviors aimed at reducing anxiety that occur in obsessive-compulsive disorder.he principles behind the changes in the somatic symptom and related diagnoses from DSM-IV are crucial in understanding the DSM-5 diagnoses. The DSM-IV term somatoform disorders was confusing and is replaced by somatic symptom and related disorders.