Reasons for Hair Loss
Genetic hair loss is the most common type of hair loss, it is the major reason for hair loss in half of the population suffering from hair loss and balding. The other major cause is the presence of high amount of DHT (dihydrotestosterone), a male hormone. Sebum in the scalp is also a hair loss factor. Because sebum contains DHT which clogs the pores in the scalp. Besides these, malnutrition, illness and stress contribute to hair loss and balding.
Various medical treatments and cancer can cause hair loss. Some cancer treatment that uses chemotherapy causes the hair cells to stop dividing. Moreover, underactive or overactive thyroid can effect hair loss.
Causes of Hair Loss in Women
In a condition of Alopecia Areata hair typically falls out in small, round patches resulting in total hair loss. Also birth control pills are also causes hair loss in women. Iron deficiency may also cause hair thinning after child birth. Iron level disturbance due to the changes in menstrual cycle causes hair loss in women.
Protein malnutrition can also affect hair loss. In protein deficient conditions body takes protein from hair, forcing your hair into the resting phase. And the hair loss occurs two or more months later. But this is not permanent hair loss. The genetic causes of hair loss are permanent, while the non-genetic ones are temporary.
Like birth and death, hair growth and hair loss are the conditions that come with age. Despite all care, hair loss or hair complications are bound to happen. After the first quarter of life we normally lose 100 hairs a day. Thereafter hair loss increases and the hair follicles shrink with age.
Understanding hair loss is the first step to finding a hair loss medication or hair restoration solution that works.
Hair Thinning and Hair Loss
Reasons for Hair Loss 
Hair Loss - Reasons & Restoration