During the 'Mann ki Baat' program aired on 29th June, 2025, the Prime Minister shared that World Health Organisation (WHO) has declared India as a Trachoma free (an eye disease). This achievement, he shared, is a result of sustained efforts in health care, sanitation, awareness and medical access.
In light of the above statement, explain how investments in health care contribute to a nation's development. Support your answer with valid arguments.