Tyrosine, for example, can convert to phenylalanine, while serine can be created from molecules that are produced during the burning of carbohydrates for energy. The non-essential amino acids include alanine, asparagine, aspartate, cysteine, glutamate, glutamine, glycine, proline, serine and tyrosine. Arginine is also non-essential unless you are in a period of growth.
Pleuritic chest pain. Pleuritic chest pain: Introduction. Any type of chest discomfort or chest pain, with or without breathing difficulty, is a serious symptom that's likely to put you first in the queue at the Emergency Room.
Pleural effusion is buildup of fluid in the pleura and can cause difficulty breathing or chest pain. Anemia, iron deficiency. Anemia , a lack of red blood cells, can cause fatigue, pale skin and gums, brittle nails, irritability, and more. Myasthenia gravis Myasthenia gravis is caused by abnormal immune responses that weaken muscles, particularly of the face.