تغذية nutrition
 the substances that you take into your body as food and the way that they influence your health

Good nutrition is essential if patients are to make a quick recovery
الغذاء الجيد ضروري لكي يتعافى المرضى بسرعة

Nutrition and exercise are essential to fitness and health
 التغذية والتمرين ضرورية للياقة والصحة