Launch Radio Networks reports McDonald's has announced that it's tweaking its Happy Meals to make the children's meals healthier, cutting down the number of french fries by half and automatically including apple slices, which are now an optional side. The move comes after pressure was put on the fast food giant by consumer groups, parents and even local lawmakers over the nutritional content and marketing of Happy Meals. The changes will begin to be introduced in September, and will be rolled out in all U.S. outlets by April 2012. The new Happy Meals will come in at under 600 calories and have about 20 percent fewer calories than today's most popular Happy Meal.

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