is roundup weed killer safe for humans

is roundup weed killer safe for humans is roundup weed killer safe for humans is roundup weed killer safe for humans is roundup weed killer safe for humans is roundup weed killer safe for humans is roundup weed killer safe for humans is roundup weed killer safe for humans is roundup weed killer safe for humans is roundup weed killer safe for humans is roundup weed killer safe for humans