How much do you know nutrition .IF your knowledge is similar to that of food shopper who answered three surveys for the US FOOF AND DRUG Administration ,then you probably share some wide-spread information about nutrition .Check your answers to following statements.Is it true or false?

Statement 1:Fresh vegetables are cooked at home are always more nutritious than canned or frozen vegetables.False. The nutritional difference depends more on how vegetables are  handled and  prepared than in whether they are bought fresh or packaged .Overcooking for example ,destroys many nutrients .Vegetables cooked in too much water will lose a significant amount of vitamins.  

Statement 2: When dieting, avoid starchy food ,such as bread and  potatoes.False. If you cut out starchy food, you cut out very good sources of several B vitamins ,vitamin C and other nutrients. Moreover ,ounce for ounce ,bread and potatoes have fewer calories than sirloin steak and roast beef.

Statement 3:Taking extra  vitamins beyond the recommended daily allowances won't give you more energy.True.It's widely  believed that extra vitamins provide more energy.But taking more than be body needs doesn't make it functions more .Such as overfilling gas trank can't make your car run faster.

If you answered these questions correctly.You can consider yourself well informed about food and nutrition  by today's standards, but remember the nutrition is a complex and growing science ,today's beliefs will be changed as new informations becomes available.