Food is an important component for the human body and having the right diet required by your body keeps you healthy. A dietitian is an expert who provides expert advice on food and nutrition, healthy eating habits, and creates customized diets for individuals. Dietetics is the study of food and nutrition affecting human health.

Many health issues like obesity, diabetes, and some risk factors for cancer and heart disease can be prevented or controlled by changes in one’s diet.

As per estimates one in five deaths globally, equivalent to 11 million deaths, are associated with a poor diet. Poor diet contributes to a variety of chronic health hazards among people globally. In 2017, numerous deaths were caused due to poor diets with too low amounts of foods such as seeds, whole grains, nuts, fruit than by diets with high levels of foods like sugary drinks, high levels of red and processed meats as well as trans fats.


The subspecialties of diet could be the following:

  • Geriatric diet
  • Child diet
  •  Sport diet

Complications of having an imbalanced diet

  • Overweight or obese.
  • High blood pressure.
  • Tooth decay.
  • Stroke and heart disease.
  • High cholesterol.
  • Osteoporosis.
  • Type-2 diabetes.
  • Some types of cancers.