life and limb

life and limb (your life and physical health, used especially when this is threatened in some way) {formal} — жизнь, здоровье

Example 1: What on earth made you risk your life and limb by driving that fast?

Example 2: Diabetics are increasingly risking life and limb by cutting back on — or even going without — doctor visits, insulin, medicines and blood-sugar testing as they lose income and health insurance in the recession, an Associated Press analysis has found.

Example 3: She risks life and limb every day in her job as an undercover investigator (LDOCE).