Vitamin D deficiency creeps up on people, and causes all sorts of health problems to their bones, to their gradual decay of their immune systems, or loss of immune function, and probably some problems with their mood and health, their mental health.
ビタミンDの欠乏は 人々に忍び寄り 多くの健康問題を起こします 影響は骨にも起こり 免疫システムは次第に蝕まれ 免疫機能は低下し また おそらくは 気分やメンタルヘルスの 問題も起こします