Archive for March, 2010
Researchers Make New Discovery About Graying Hair – Though Claim that Heredity is Still the Root Cause
A recent article in the NY Times detailed a new study about graying hair – linking the presence of gray hair to the natural build up of hydrogen peroxide in hair cells. Especially after the recent media speculation linking Obama’s new gray hairs with his stress level as president, many people still believe that gray hairs are directly linked with stress, when in fact this has not been proven. A new study however, may bring scientists closer to unlocking the real relationship between stress and more “salt and pepper’ color to people’s hair.
While studying the genetic defect vitiligo (a condition marked by patches of bleached skin that lack pigment), European scientists noticed that bleached skin was essentially caused by elevated levels of hydrogen peroxide in the skin that was negatively affecting and blocking the enzyme catalase. The scientists began to wonder if the same was true of graying hair. It was found that the natural build up of hydrogen peroxide in hair cells can similarly work to block pigment (melanin) in the hair – ultimately bleaching it and turning it gray or white.
Scientists are hopeful that this may help explain the link between gray hair and stress, but they are careful to note that heredity is still the number one influencing factor in graying. They are also careful to note that, while gray hair may make people look older, there is no link whatsoever to graying and premature aging.
For more information on hair, hair restoration, and/or hair loss contact Dr. Edmond Griffin of the Griffin Center of Hair Restoration & Research.
Is seasonal hair-loss normal? Dr. Griffin Provides the Answers
With warmer weather comes less clothing, and often a desire to have less body hair. But one place we don’t typically want to decrease the amount of hair is on our heads. While direct seasonal influences on normal amounts of hair loss are still being studied, it’s relatively common for individuals to report increased shedding starting in the spring and peaking in the fall.
While scientists have not been able to pin point direct environmental causes that lead to increased hair-loss beginning in the spring, many speculate that exposure to sunlight is directly related. As we know from research findings regarding Seasonal Affective Disorder (SAD), the amount of sunlight we’re exposed to during the day can directly affect hormone levels and emotions. Findings from experimental studies suggest that hair-loss might be controlled by limiting amounts of direct sun exposure, thus changing the melatonin secretion rate and its effects on the hormone receptors located in the scalp. Probably a wise decision as over-exposure to Ultraviolet light can have less than favorable dermatological effects.
One thing that is scientifically known is that shedding hair is a completely normal part of the hair growth cycle. The hair growth cycle is composed of three phases: anagan (growth phase), catagen (degradation phase), and telogen (resting phase.) Normally, individuals shed anywhere from 50-150 strands of hair on a daily basis. The rate of seasonal hair loss varies greatly from person to person, but like hair loss during any other part of the year can usually be minimized by maintaining a proper diet, not smoking, avoiding harsh chemical hair treatments, and seeking medical attention for any known hormonal imbalances.
If you have any questions about hair-loss or hair restoration, call our office to schedule a consultation with Dr. Edmond Griffin, or visit our website.
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