The sebaceous glands are responsible for hair growth in the body. They are present under the skin, everywhere except on the palms of the hands, the soles of the feet and on the lips. The greater the presence of the sebaceous glands, the thicker the density of the hair will be. Attached to the sebaceous glands are the hair follicles that pack old cells. These old cells protrude out of the skin and appear as hair to us. The follicles growth is dependent on the sebaceous glands. Knowing some hair loss information is vital in combating hairloss and baldness.
A healthy human head carries about 100,000 hairs and it is also normal to shed around 50-100 hairs in a day. This type of hairloss is absolutely normal. Hair follicles are capable of hair regrowth innumerable times, and on average, a human hair grows by .04 centimeters a day. Growth is affected by seasonal changes, dietary factors, stress and heredity. Hair loss and baldness happens when the follicles do not grow hair at the rate that they should, or stop growing hair altogether.
Hair growth is steady during the winter and shedding starts after winter, continues through the spring, and reaches its peak in the summer when a person may lose up to 100 hairs a day. Yet seasonal hair loss is natural and doesn’t lead to a problem. Hormonal imbalances cause hair loss. Imbalances in testosterone levels in males can cause baldness. Female pattern baldness is the result of an imbalance in hormone levels. Hormonal imbalances also cause thinning of the hair.
Certain foods are believed to promote hair growth. Foods such as brewer’s yeast, wheat germ, yogurt, and granulated lecithin are used by people to facilitate the growth of hair. This has a logical basis, as things like starchy foods, fatty foods, sugars, acid causing foods, caffeine, and colas have an adverse effect on the health of the skin and hair. So the opposite also may be true. Since hair is packed protein, eating a good amount of protein may induce growth. Getting enough vitamins through food sources is also a good step in the prevention of hair loss and the promotion of new growth. It is always wise to consult a physician before taking vitamin or dietary supplement.
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