Do i need to alter my diet?

Depends: Diet depends on your medical conditions and what you want in your body. The usda food guide is a safe way to find balanced nutrition by focusing on the food groups that are most vital to our health. Seek your doctor's help to tailor a diet plan that is personalized just for you and your needs. http://fnic.nal.usda.gov/nal_display/index.php?info_center=4&tax_level=2&tax_subject=256&topic_id=1348.