(Researched and Designed) BIO-Statistical Projects  Perinatal exposure to Cadmium and Lead induces less harmful effects to rat pups brain.  Natural feed for shrimps had higher growth rate response than artificial diet Treatment of current smokers with daily carotene supplements for three week periods result higher plasma concentration activity levels, results no cancer risk. Different patient’s blood sample have different smoking status effects on plasma retinol concentration Effects of Respiratory tract infections induced with pneumonia by inflammatory host response in mice.