The science of health and its maintenance.
स्वास्थ्य विज्ञान
English Usage: Hygiene education is crucial in schools.
Hindi Usage: स्कूलों में स्वच्छता शिक्षा महत्वपूर्ण है।
swasthya vigyaan, swasthya vigyan, swasthy vigyan, svasthya vigyaan, svasthya vigyan
