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Hear Problem: Please Solve My Hair Problem

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M.Inam Group: Members  Joined: 19th May, 2007  Topic: 1  Post: 4  Age:  41  
Posted on:19th May 2007, 7:54pm
 

Hear Problem: Please Solve My Hair Problem

Dear,Dr Rizwan Ji meri age 31 sal hai meri Health ahci rahti hai lakin mere bal tezi se safed horai hai .....

Dear Dr Rizwan, My age si 31 years and I have good health as well. The problem is that my hairs are going to be whitened. What is its solution?

Kali Zuban Group: Members  Joined: 19th Sep, 2010  Topic: 30  Post: 1790  Age:  32  
Posted on:20th May 2007, 5:42am
 

re: M.Inam

Why does hair turn gray?

t is well known that gray hair results from a reduction of pigment, while white hair has no pigment, but why this happens remains somewhat of a mystery.

Parents often cite having teenagers as the cause of gray hair. This is a good theory, but scientists continue to investigate why hair turns gray. In time, everyone’s hair turns gray. Your chance of going gray increases 10-20% every decade after 30 years.

Initially, hair is white. It gets its natural color from a type of pigment called melanin. The formation of melanin begins before birth. The natural color of our hair depends upon the distribution, type and amount of melanin in the middle layer of the hair shaft or cortex.

Hair has only two types of pigments: dark (eumelanin) and light (phaeomelanin). They blend together to make up the wide range of hair colors.

Melanin is made up of specialized pigment cells called melanocytes. They position themselves at the openings on the skin’s surface through which hair grows (follicles). Each hair grows from a single follicle.

The process of hair growth has three phases:

  • Anagen: This is the active growth stage of the hair fiber and can last from 2- 7 years. At any given moment 80-85% of our hair is in the anagen phase.

  • Catagen: Sometimes referred to as the transitional phase, which is when hair growth begins to “shut down” and stop activity. It generally lasts 10- 20 days.

  • Telogen: This occurs when hair growth is completely at rest and the hair fiber falls out. At any given time, 10-15 % of our hair is in the telogen phase, which generally lasts 100 days for scalp hair. After the telogen phase, the hair growth process starts over again to the anagen phase.

As the hair is being formed, melanocytes inject pigment (melanin) into cells containing keratin. Keratin is the protein that makes up our hair, skin, and nails. Throughout the years, melanocyctes continue to inject pigment into the hair’s keratin, giving it a colorful hue.

With age comes a reduction of melanin. The hair turns gray and eventually white.

So why does our hair turn gray or white?

Dr. Desmond Tobin, professor of cell biology from the University of Bradford in England, suggests that the hair follicle has a “melanogentic clock” which slows down or stops melanocyte activity, thus decreasing the pigment our hair receives. This occurs just before the hair is preparing to fall out or shed, so the roots always look pale.

Moreover, Dr. Tobin suggests that hair turns gray because of age and genetics, in that genes regulate the exhaustion of the pigmentary potential of each individual hair follicle. This occurs at different rates in different hair follicles. For some people it occurs rapidly, while in others it occurs slowly over several decades.

In a February 2005 Science article (Nishimura, et al.) Harvard scientists proposed that a failure of melanocyte stem cells (MSC) to maintain the production of melanocytes could cause the graying of hair. This failure of MSC maintenance may result in the breakdown of signals that produce hair color.

There are other factors that can change the pigmentation of hair, making it lighter or darker. Scientists have divided them by intrinsic (internal) and extrinsic (external) factors:

Intrinsic factors:

  • Genetic defects
  • Hormones
  • Body distribution
  • Age

Extrinsic factors:

  • Climate
  • Pollutants
  • Toxins
  • Chemical exposure

Hair-raising facts:

  • An average scalp has 100,000-150,000 hairs.

  • Hair is so strong that each hair can withstand the strain of 100 grams (3.5 ounces). An average head of hair could hold 10-15 tons if only the scalp was strong enough!

  • Human hair grows autonomously, that is each hair is on its own individual cycle. If all our hair were on the same cycle, we would molt!

  • Hair has the highest rate of mitosis (cell division). An average hair grows 0.3 mm a day and 1 cm per month.
Article Reference: Why does hair turn gray?
Chand Ahmed Group: Members  Joined: 28th Dec, 2012  Topic: 7  Post: 19  Age:  23  
Posted on:6th Feb 2013, 3:07am
 

hair loss(baldness) and scalp pimples

assalamualeykum Dr. Sahab kareeb 1-1.5 yrs se haiir fall ho rha h but 4 months se bahut zyada oily dandruff and hair fall ho raha tha jiski wajeh se mene anti dandruff shampoo use kiya to mere sscalp p pimples and red rashes type ho jaate h woh bahut painful hote is liye m shamppoo bhi use nahi kar sakta mere scalp p oily dandruff h jo ki scalp par jama hua h mere itching bahut hoti h m jab khujalta hu to nails m woh jama hua dandruff aa jata h or abhi meri age 18 yrs h or abhi se hi baldness aa gaye h face,chest,back par bhi pimples hote h kareeb 2 saal se but ab uska treatment kar raha hu weakness bahut zyada ho rahi h memory bhi bahut bahut weak ho gaye h ........plz dr.help me m bahut pareshan hu ..... 1
SAHIL new Group: Members  Joined: 20th Jun, 2013  Topic: 2  Post: 4  Age:  25  
Posted on:20th Jun 2013, 7:30pm
 

heloimnew

i m new confusd
Abcdfg Group: Members  Joined: 23rd Nov, 2016  Topic: 1  Post: 2  Age:  17  
Posted on:23rd Nov 2016, 5:40pm
 

Butt hair

...MOD EDIT: Removed off-topic question...


MOD NOTE: Please discuss only in your own topic#41904.
Uzairg Group: Members  Joined: 04th Jan, 2017  Topic: 0  Post: 3  Age:  28  
Blocked
Posted on:5th Jan 2017, 12:06pm
 

Soloution

...MOD EDIT: Removed off-domain link...
is video ma Apko ilaj ha



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