Zinc is also a mineral that is needed for the body to maintain a good health. It helps the immune system to function well and facilitates the healing of wounds. It is also a part of the body's synthesis of proteins and DNA. Zinc plays a role in the growth and development of the fetus during pregnancy and in the growth and development of infants and children. Senses of taste and smell depend on zinc for their proper functioning. The health benefits of Zinc also include proper functioning of the digestive systems, control of diabetes, reduction of stress levels, energy metabolism, and an increased rate of healing for acne and wounds. Also, it is helpful in terms of pregnancy, hair care, eczema, weight loss, night blindness, colds, eye care, appetite loss and many other minor conditions. The recommended daily allowance for Zinc is 15 mg/day. Zinc Deficiency Symptoms include growth retardation, low blood pressure, retarded bone growth, loss of appetite, loss of smell and taste senses, depression, rough skin/pale Skin, weight loss, diarrhea, hair loss, fatigue and white spots under fingernails. However, too much zinc will cause adverse effects and can even be dangerous. It can cause vomiting, nausea, loss of appetite, diarrhea, headaches and abdominal cramps. Moreover, ingesting too much zinc can lead to changes in the way iron works in your body, anemia, low copper levels and low levels of "good" HDL cholesterol. Zinc also reduces the body's ability to absorb antibiotics.