1.   But as depressions became more violent, such a view was the very reverse of reassuring.

2.   Many studies attest to the fact that depression is becoming much more common, due to the increased pressures of modern life.

3.   His depression had become worse over the past year.

4.   But depression can become dangerous when it serves as the psychological foundation for other risky behaviors.

5.   Through therapy, Real writes that his covert depression became overt, then changed into grief.

6.   Later, depression became the most significant factor, and as death became imminent, shortness of breath was the main cause of reducing the will to live.