. >> we're talking about metabolic tes, they're genetic test but they effect the way you metabolize various substances you consume. dna test for diet and exercises are not validated. >> dave -- >> are any of these test accurate? >> there's very few that have data behind it. you have companies like 23 and me that were taken off the market because they had to show data with regard to human disease. i think the same thing needs to happen with nutrition and exercise. >> your iron status -- >> castle says the test produce more than 30 pages of results about her body. >> i think it's worth it. you don't need your blood taken. you're spitting into a test tube. you can do it in your sleep. >> they can avoid the foods that set off her stomach. michelle miller, cbs news new york. >> the fda says it support test that may provide consumers with direct -- the agency doesn't regulate these products. >>> the one and only roberta gonzalez keeping an eye on the solar eclipse. >> take a look at your tv screen over there. over there. can you see the clock? we're two weeks from today. the total eclipse of the