危害

Smoking does harm to your health. / Cigarettes damage health. / Smoking is hazardous to health.

biological hazard; biohazard

race hazard

jeopardize public security

damage the physical and mental health of youngsters

imperil sb's future

harm the crops

be detrimental/harmful to health; harm/damage one's health

harm the environment

endanger the sovereignty and territorial integrity of the state

endanger international peace/national security

harm public interests