I carry a small notebook in my purse. I found one at Target on clearance for .95 it stays in my purse at all times. I use it to write down what I have eaten and the calories. When I'm at the computer I log what I have eaten into wellness360. You can also read health articles that interest you, and they usually stay up on the latest going on in the world. You can fill out a health assessment which saves your information in the case of an emergency. It is a very cool website. One of the best things is that you can earn money by entering your information in. You are not going to earn a ton of money but I love being able to enter in my food intake and exercise and it adds it up for me, and I know how much I am allowed to eat for the day.
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