Millions of men and women around the world suffer from the problem of thinning hair. There could be several reasons for the problem cropping up in the first place. It typically includes reasons such as improper diet, stress, vitamin deficiency or thyroid malfunction. In certain cases there is also the case of hereditary hair loss. This type of hereditary hair loss is known as ‘androgenetic alopecia’. Fortunately with the modern medicine field making rapid strides, there are many treatment options available for hair thinning. You should always seek the opinion of your doctor before you opt for any treatment option. Minoxidil is a medication which is usually used as a topical lotion to prevent hair loss. These days even surgical hair replacement methods are available. You can also find many vitamin supplements that are believed to help in stopping hair loss. The internet is perhaps the best source of information on hair thinning or hair loss.