If the diet does not contain vitamin B1, will have the fastest 10 days or so mild symptoms, including: constipation, low appetite, fatigue, weakness, drowsiness, headache, irritability, depression, etc., indicate nerve and muscle function were disturbed.
Because vitamin B1 is closely related to energy metabolism, lack of long-term, the high energy demands of the physiological systems most affected. Injured tissue mainly muscle, digestive system, nervous system, cardiovascular system. Digestive damage caused diarrhea, weight loss and muscle pain cause of injury. Polyneuritis nervous system, poor coordination, the outer sheath of the central and peripheral nerve degeneration, hand and foot numbness and tingling, eventually leading to paralysis and muscle atrophy, resulting in severe pain and unable to stand up. The most fatal injuries in the cardiovascular system, loss of elasticity and cardiac contractile force decreased, blood circulation slows down, resulting in the foot, such as lower extremity edema.
Typical deficiency is beriberi, is divided into two kinds of dry and wet. Dry beriberi to harm the nervous system is the most obvious, the typical symptoms of nervous system degeneration, poor coordination body nerve tingling hands and feet, leg pain gastrocnemius compressions. Wet beriberi most obvious damage to the heart, the typical symptoms of an enlarged heart, heart failure, severe edema.
Alcoholism-induced vitamin B1 deficiency known as Wernicke-Korsakoff syndrome, both acute and chronic psychiatric brain lesions. Dietary intake of alcoholics usually very uneven, with the absorption of alcohol interfere with vitamin B1, and eventually lead to a lack of energy makes the brain lack of serious injury. Patients with loss of memory, theosophy disorders, gait disturbance, eye muscle paralysis, eye movement control. A variety of natural plant and animal foods contain vitamin B1, but the content is generally not high, especially refined foods contain little vitamin B1, most of the vegetables, fruits and seafood are also low. Rich meat is pork, beef, nuts, whole grains.