Good balance in macro-nutrient intake is important for good body functioning. Carbohydrates, Proteins and Fats all play specific roles in human body. Describe their roles briefly.

Carbohydrates are simple or complex structured sugars. Their primary deliver energy to all body cells. Proteins are building blocks for every human body cells and they are needed for tissue renewal and maintenance. Fats also deliver energy for good functioning but their most essential function is for hormone production and cell membrane functioning.

What are the determinants of health?

Determinants of health are factors that influence human health and well begin. Besides individual characteristics (age, sex and constitutional factors) and lifestyle also environmental (natural and build) factors, living and working conditions (housing, education, employment etc.) availability of services and political commitment determine health outcomes. Therefore those can be called the determinants of health.

Name an example of Public Health Policy that is endorsed on global scale.

The declaration of Alm-Ata that states that every human being has the right to access primary health is a good example of Public Health Policy that was endorsed by all governments in the world. 'The Right to Health' that states that every person has the right to he highest achievable health care is also a good example of a global public policy in the health sector.