Hair loss is not a hopeless condition. While there are certainly cases of permanent hair loss in men, there are still cases when it's only temporary and therefore can be treated, controlled and prevented. There are treatments and cures available, and many of these, especially those for temporary cases, can be as simple as lifestyle changes -- eating the right foods, learning to manage stress properly, and doing away with unhealthy, nasty habits that can aggravate the condition.
Telogen effluvium - occurs mainly due to the body’s reaction to stress, brought about by, illnesses such as cancer, mental and emotional disturbances, medications such as blood thinners, hormonal imbalances, stress during childbirth and so on. In this condition hair thinning occurs on the scalp. The hair usually regrows after the stress period is over.