The leading cause of death in developed countries includes heart disease, cancer and stroke.

Other causes include diabetes, heart disease, and nervous system problems.

Possible causes include stress, too much caffeine, and other health problems.

Causes may include medical conditions, emotions, heat, and other factors.

Causes include being under the same roof as a corpse.

Other causes include medication side effects and various disease processes.

The major causes of this environmental degradation include poverty and high population growth.

The causes he championed included early child development, health care reform and the environment.

Primary causes of the decline include disease and human interference.

Other causes include an infection, an injury, or certain medicines.