tobacco
The world's deadliest disease is Ischaemic Heart Disease. This disease reduces blood flow to the heart. This is caused by coronary artery disease, smoking, aging, high cholesterol, and other factors. It is the most common cause of death among adults in the developed world.
Most disease causing organisms reproduce inside you and produce toxins.
the most harmful disease in the world is cancer (it kills the most people).
Heart Disease
a disease
small
DISEASE was the most likely cause of death on the overland trails.
We know because we know what if feels like to be in pain. Animal euthanasia considered better than natural death when an animal has a injury or disease that is causing it pain beyond extremes and there is no cure. It is done in cases where death is imminent or when death from injury or disease will be a long and painful. Most shelters use humane methods.
Arrhythmia
water
*Disease*
Tornadoes are most famous for causing death and destruction.