Why a person suffering from high blood pressure is advised to take minimum quantity of common salt?

A person suffering from scurvy.

A person suffering from beri-beri.

A person suffering from poor eyesight.

A person suffering from leukaemia has

What is the term given to high blood pressure ?

A person suffering from malaria runs fever when

When a person is suffering from severe cold, he or she cannot

A person suffering from deficiency of visual pigment rhodopsin is advised to take

Sleeping pills are recommended by dictors to the patients suffering from sleeplessness but it is not advisable to take its doses without consultation with doctor. Why?

Sleeping pills are recommended by doctors to the patients suffering from sleeplessness but it is not advisable to take its doses without consultation with the doctor. Why ?