Simplify the following text for a Grade 10 native English-speaking person.
Original: The Food and Agriculture Organization and World Health Organization jointly recommend that national dietary guidelines set a goal of 55 â `` 75 % of total energy from carbohydrates , but only 10 % directly from sugars ( their term for simple carbohydrates ) .
Simplified: However , studies suggest that people should eat carbohydrates to get at least 55 % to 75 % of energy from carbohydrates .