As molecular biology, biochemistry, and genetics advance, nutrition has become more focused on metabolism and metabolic pathways - biochemical steps through which substances inside us are transformed from one form to another.Nutrition also focuses on how diseases, conditions, and problems can be prevented or reduced with a healthy diet.

Your food choices each day affect your health — how you feel today, tomorrow, and in the future. Good nutrition is an important part of leading a healthy lifestyle. Combined with physical activity, your diet can help you to reach and maintain a healthy weight, reduce your risk of chronic diseases (like heart disease and cancer), and promote your overall health.

Proper nutrition is essential to healthy living and overall well-being. A nutritionist can play an important role in your health by evaluating your diet and offering you personalized advice. Based on your health goals or medical needs, the nutritionist can make recommendations and put together meal plans.