The number one cause is stress, which particularly affects the professional woman - often in her mid 20s to late 30s.

I would agree that bad parenting is the number one cause.

Suicide is the number one cause of premature death among people with schizophrenia.

It is also the number one cause of bladder cancer.

Sun damage is the number one cause for premature aging of the skin.

The number one cause of death for young men in America is murder.

Gunfire is the number one cause of death among young blacks.

Breast cancer is still the number one cause of death in women between 35 and 55.

Smoking probably ranks as the number one cause of disease in the country.

It doesn't matter to him that obesity and heart disease are the number one preventable cause of death.