noun, noun which may take the genitive case particle 'no'
undernutrition; malnutrition; poor nutrition
Medical and everyday term for insufficient nutrient intake, often used in clinical, public health, or caregiving contexts.
高齢者の低栄養が問題になっている。
Undernutrition among the elderly has become a problem.
低栄養状態が続くと免疫力が下がる。
If a state of poor nutrition continues, immunity declines.
Compound of 低 (low) and 栄養 (nutrition). The exact historical derivation is uncertain, but the term follows standard Sino-Japanese word formation patterns.