体からだに障さわる

expression, godan verb (-ru)

be bad for one's health; affect one's health

Used when something (food, habit, weather, etc.) has a negative effect on physical health. Often appears in warnings or advice.

• 夜よ更ふかしは体からだに障さわるよ。

  Staying up late is bad for your health.

• 冷つめたいものばかり食たべていると体からだに障さわります。

  Eating only cold things will affect your health.