If they are actually overweight, they can set goals to lose weight by eating nutritiously and exercising regularly.
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You can determine how healthy your meal is just by color, so if you have a plate full of dark green, bright red and tempting yellow and orange, you know you are eating nutritiously as well as deliciously.
3
You can learn more about healthy exercising and eating nutritiously on LoveToKnow's Exercise and Diet channels.
4
You should also quit smoking, and drinking alcohol while continuing to eat nutritiously and exercise regularly.