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According to Encyclopedia Britannica, there are no known diseases caused by carbohydrate deficiency. The human body has no dietary requirement for carbohydrates. If fewer than 50 to 100 grams of carbohydrates are consume... More »

www.reference.com Health Nutrition & Diets Nutritional Amounts & Limits

Physical symptoms of having low serotonin levels are chronic fatigue, hot flashes, migraines, sleep issues and gastrointestinal pain, reports Progressive Health. Emotional symptoms include depression, emotional sensitivi... More »

www.reference.com Health Conditions & Diseases Mental Health

Physical symptoms of serotonin deficiency include persistent fatigue, sleep disorders, loss of appetite combined with a craving for carbohydrates, headaches and a fluctuating body temperature, according to Progressive He... More »

www.reference.com Health Medical Ranges & Levels
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The causes of folic acid deficiency include diseases that affect the absorption of folic acid during digestion, excessive alcohol intake, hemolytic anemia and a diet that is low in fruits and vegetables, according to Med... More »

www.reference.com Health Nutrition & Diets Nutritional Amounts & Limits

According to Cleveland Clinic, severe calcium deficiency, or hypocalcemia, can lead to a wide range of different symptoms, including neurological, muscular and cardiovascular issues. This is because of the vast importanc... More »

www.reference.com Health Nutrition & Diets Nutritional Amounts & Limits

According to the Mayo Clinic, a vitamin D deficiency takes place when the level of vitamin D in a person's body is lower than normal. Vitamin D is produced by the body when it is exposed to sunlight. More »

www.reference.com Health Nutrition & Diets Nutritional Amounts & Limits

Symptoms of a vitamin D deficiency include impaired cognitive function, muscle weakness and bone pain. Children who are deficient in vitamin D may develop severe asthma, and adults suffer from an increased risk of cardio... More »

www.reference.com Health Nutrition & Diets Nutritional Amounts & Limits