15% percent of your brain is made up of dha. dha is important for brain development.that's why we add dha to infant formula. many research studies have shown that people who have alzheimer's disease, people who have depression, people who have chronic fatigue syndrome have low levels of dha. so what is the recommendation that i think most neuroscientists and heart specialists agree on? eating fish two or three times a week is really good for your heart and for your brain. so what is the best diet to rejuvenate your brain and keep your brain young? well, you need to eat four or five pieces of fruits and vegetables every day. i recommend that you put a bowl of fruits on your kitchen table. and every time you need a snack, reach for an apple or reach for a pear. a glass of wine with dinner is great. but remember, only one glass with dinner. when you cook, you can use fresh fruits and vegetables. and again, these are high in antioxidant vitamins such as vitamin e and vitamin c. eating fish two or three times a week is particularly good for your brain. it contains dha whic

. >> reporter: dha's where the backup camera comes in.nted to see how much of a difference it makes when you use one compared to when you don't. so i got behind the wheel with a driving instructor. first he gave me a few tips for backing up whether you have a camera or not. >> the main thing is go slow. people get in way too much of a hurry. they're running late, kind of jump in the car, throw it in reverse and start backing up. >> reporter: another important tip is to look over both shareholders and to use all our mirrors. now in our test we placed a plastic child-sized dummy a few feet behind my car. i then backed up without using the camera. and i couldn't see a thing. right now if there were a kid behind me i would not -- oh. oh, my god. i ran something over. oh, my god. without the camera, i couldn't see anything at all. looking over my left or my right shoulder. >> you have a huge blind spot. i think a lot of it is the monitors in the back seat. >> reporter: next i turned on my backup camera. i'm starting to see that there is someth