To provide people with a healthy,strong,energetic,and long life,they must essentially be provided with . . . . . . .

After prolonged fasting,the body obtains nutrition from the storage of ......

Which of the following is not typically present in an adult human and is primarily associated with protein-energy malnutrition?

The energy change produced by the combustion of foods is called the 'calorific value'. The highest calorific value is given by:

Among the five statements $(a - e)$ given below,identify the three correct statements regarding Beriberi:
$(a)$ This debilitating disease is found in the sub-Saharan population of Africa.
$(b)$ It is a deficiency disease caused by the lack of Thiamine (Vitamin-$B_1$).
$(c)$ It is a nutritional deficiency in older children and infants caused by a chronic lack of dietary protein.
$(d)$ This deficiency is commonly found in countries where polished rice is the staple food.
$(e)$ Symptoms include nerve weakness,pain,paralysis,muscle wasting,loss of appetite,mental confusion,and eventually heart failure.

Scurvy is caused by the deficiency of: