Healthy Habits to Improve Your LifeThere are 13 ways to boost your chances of living a happy, healthy life. More can be added to this list, but, for simplicity's sake, we'll stick with this typically unlucky number.Instead of bringing misfortune, however, the 13 habits promise a life of vigor and vivacity. There are, of course, no guarantees, but many of the practices mentioned here have been published in scientific journals. Disregard them, and you may well be taking a big gamble with your mental and emotional well-being.Healthy Habit No. 1: Eat Breakfast Every MorningBreakfast eaters are champions of good health. Research shows people who have a morning meal tend to take in more vitamins and minerals, and less fat and cholesterol. The result is often a leaner body, lower cholesterol count, and less chance of overeating. "That one act [of eating breakfast] seems to make a difference in people's overall weight," says Melinda Johnson, RD, a spokeswoman for the American Dietetic Association (ADA). She says breakfast can hold off hunger pangs until lunchtime and make high-calorie vending machine options less enticing.Not only that, researchers at the 2003 American Heart Association conference reported that breakfast eaters are significantly less likely to be obese and get diabetes compared with nonbreakfast eaters.Another study in the International Journal of Food Science and Nutrition showed that people who consumed breakfast cereal every day reported feeling better both physically and mentally than those who rarely ate cereal in the morning.For kids, breakfast appears to enhance alertness, attention, and performance on standardized achievement tests, reports the ADA.To get the full benefits of breakfast,...