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Hair Loss
You are worried by the increasing number of hairs that you find in your hairbrush each day. Will your hair ever stop falling out like this? Why is this happening, and is there anything you can do to stop it?
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What causes hair loss?
What is hair loss?
On average, each person has 1 million hair follicles, or sacs from which hair may grow, on the scalp. Of this number, only 100,000 to 150,000 have hair growing from them. At any one time 80% to 90% of these follicles are growing hair; the remainder are "resting." With age, more follicles begin to rest, leading to increased hair loss. Normally, 100 to 150 hairs fall out each day; this number increases each fall and decreases each spring. Occasionally, more hair loss occurs than normal--sometimes in clumps--leaving areas of thin hair or baldness. This condition is called alopecia (al-o-PEA-she-ah).
Most hair loss results from changes in the levels of hormones, a group of chemicals naturally produced by the body. This hair loss occurs even though the measured levels of hormones remain within the normal range; people who experience this type of hair loss appear to be especially sensitive to these changes in hormone levels.
People whose parents have experienced hair loss are more likely to have it, too. A condition called androgenetic alopecia occurs in some men, who begin to lose hair at the top or front of the head starting between ages 20 and 40. This type of alopecia eventually also affects at least one in four women, who lose some or a lot of hair all over their head.
Various diseases and other conditions can cause hair follicles to go into the resting stage, resulting in bald patches from loss of hair. Severe or prolonged illness, starvation, anorexia nervosa, rapid weight loss, infection, injury, and excessive blood loss can all cause losing hair from fall out. Many women experience hair loss after childbirth, a miscarriage, or a change in their birth control pill prescription. Certain drugs, such as amphetamines, anticancer agents, gout medication, isotretinoin (Accutane), lithium, male hormones, propranolol hydrochloride (Inderal), and valproic acid (Depacon, Depakene, Depakote), also can cause hair loss.
About 1 in 100 people experience a condition called alopecia areata during their lifetime. This type of hair loss usually occurs quickly and results in one or several oval or circular areas of baldness. The cause is unclear, although this disease has been known to occur in persons who have such diseases as lupus erythematosus, thyroiditis, or vitiligo. Hair usually regrows in these bald spots, but it may not regrow if the disease is severe, also affects the nails, occurs in children, or lasts longer than 5 years. Infection with ringworm, certain bacteria, herpes zoster (shingles), and HIV also has been blamed for hair loss, as have syphilis and AIDS.
A lack of iron in the body may lead to hair loss, particularly in young and middle-aged women. In rare cases, a lack of zinc may be to blame. Conditions such as uncontrolled diabetes, hypothyroidism or hyperthyroidism, or use of the hormone testosterone in postmenopausal women may also cause hair loss.
Poor hair care, such as use of hot combs or very tight braiding, as well as scarring from cosmetic surgery, may result in hair loss.
Additional Resources for Hair Loss
HairlossTalk.com
Features product reviews, guides to stopping hair loss, chat and discussion forums, and a resource library. Information for men, women, and children.
Hair Loss
Baldness or hair loss may seem like something only adults need to worry about. ... Hair loss during adolescence can mean a person may be sick or just not ...
Hair Loss (Baldness) Causes, Treatments and Medications for Thinning ...
Learn about the causes of hair loss (female- and male-pattern baldness, thyroid disease, alopecia) and treatments for thinning hair (Rogaine, transplant, medications)
What are the bloggers saying about Hair loss?
medicinal plants are useful and effective to help people suffering from hair loss. Since herbal medicines are natural, it is generally considered safe and free of side effects, although there may be isolated cases from time to time. ... source..
Hair Loss at Menopause: Less hair on head, more on face By: Jean Morgan It抯 perhaps one of the most distressing symptoms of menopause: thinning hair. While many assume it抯 a man抯 problem, some 40% of women over 50 experience hair ... source..
Usually women do not expect to have to cope with female hair loss even if there is a history of hair loss in their family, with males or females. The general belief tends to be that baldness is a problem for males, not for women. ... source..
Androgenetic alopecia has a characteristic pattern of hair loss; it begins with a slight recession at the front hairline and is followed by thinning on the crown of the head. This hair loss results from a complex chemical reaction when ... source..
News about Hair Loss
Madison Garcia, age 4, donated the hair from her first haircut to Locks of Love this past week. Locks of Love is a public non-profit organization that uses the donated hair to create the highest quality hair prosthetics and then provides them free of ... source..
Cincinatti, OH (AHN) - Procter & Gamble Co. has bought Nioxin Research Laboratories, a hair loss and scalp care research firm, for an undisclosed amount. The acquisition Lithia Springs, Georgia-based firm is seen to boost P&G Beauty's strategy of ... source..
If you are one of those men who have a foreboding feeling that you would soon be bald (because your father or grandfather was bald), perhaps it would be helpful for you to know that there are ways to prevent possible hair loss. It really pays to do ... source..
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See inside for information on breast cancer, pregnancy, heart disease, dieting, and the latest women's health news. Abdominal Aneurism Achilled Tendon Tear ACL Tear Acne ADHD Allergies AIDS Alzheimers Disease Amniocentesis Angioplasty Ankylosing ... source..
Touching Lenovo's new concept external hard drive shows its capacity. (Credit: DesignLaunches.com) I reviewed the WD My Passport external hard drive recently and thought it was really cool with the storage gauge that lights up when plugged in to show ... source..
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