Fifty percent of the population has about 50% gray hair at age 50," says Dr. Anthony Oro, professor of dermatology at Stanford University. And like skin, hair changes its texture with age, says Dr. Heather Woolery Lloyd, director of ethnic skin care at the University of Miami School of Medicine.
Caucasians tend to go gray earlier — and redheads earliest of all. Then Asians. Then African-Americans. Scientists haven't figured out why yet.
Your hair doesn't turn gray — it grows that way.
The change in hair color occurs when melanin ceases to be produced in the hair root and new hairs grow in without pigment. Our hair color comes from a pigment called melanin. When you’re young, special pigment stem cells called melanocytes inject pigment into keratin-containing cells.This keratin, a protein, makes up your hair and is responsible for giving it its color. As you age, melanin is reduced, which is why your hair turns gray and, ultimately, white (this means there’s no melanin left).When we reach the age of 30, we have a 10 % to 20 % chance of graying hair with each passing decade. It’s a fact of life that, eventually, virtually everyone will go gray.
Does Stress Cause Gray Hair?
It's commonly believed that stress causes gray hairs (and many parents of teenagers or former presidents, whose hair often turns gray during office would likely attest to that).
That study found chronic stress and frequent activation of the “fight or flight” stress response leads to DNA damage that may promote not only aging, cancer, neuropsychiatric conditions, and miscarriages but also affect genes that control hair pigment. (2011 study published in the journal Nature and led by Nobel Prize winner Dr. Robert Lefkowitz.)
What Else can Causes Gray Hair?
Cigarette smoking is also linked to premature hair graying, with the onset of gray hair occurring before the age of 30.
Vitamin B12 deficiency: This is also linked to premature gray hair, and there is at least one report of pigmentation returning to hair after the vitamin deficiency was resolved.
Is Premature Gray Hair an Indicator of Health Problems?
The researchers suggested:“The association between premature graying and low bone mass could be related to genes that control peak bone mass or factors that regulate bone turnover.”
Obesity is also associated with premature graying, and there is some speculation that it could be an indicator of certain health issues.
Thyroid disorders, anemia, and vitiligo have also been linked to premature graying, and it’s even been associated with an increased risk of coronary artery disease (CAD) in young smokers. According to researchers:
“Premature graying of hair can be used as preliminary evidence by clinicians for classifying patients at risk for premature CAD especially in smokers.”
What you can do about ?
A healthy life style will help, look for take organic food, fruit, vegetables + Protein. Your diet should be rich in protein (meat, fish, eggs, yogurt), vegetables and fruits, oleaginous seeds (almonds, walnuts, cashews), legumes (beans, peas, lentils) and whole grains (oats, flax, rye).
Any factor that reduces the levels of these nutrients in the body will result in changes in the strands. The hair can undergo various changes in terms of structure, color, consistency or appearance, in addition to possible fall-out, culminating in the destruction of the hair follicle.
B Vitamin are very important for your Hair& Health, + Multivitamins.
B-Complex vitamins (1 tablet daily): B vitamins aid in healthy stress management. Biotin or B7 helps thicken your hair naturally and vitamin B5 (pantothenic acid) supports your adrenal glands.
Zinc (8 milligrams daily for women/11 milligrams daily for men): One of the signs of a zinc deficiency is hair loss. Zinc also boosts your immune system and helps repair your gut.
Protein Powder from Bone Broth (1–4 servings daily depending on body weight and individual needs): You can also get your daily dose of bone broth from a protein powder. Bone broth powder is rich in protein, collagen, gelatin, glucosamine, chondroitin and key minerals often missing in the average diet. These vital nutrients support and promote healthy hair growth as well as a wide range of additional health benefits.
Rosemary proprieties of enhancing hair thickness and growth. Rosemary oil is believed to increase cellular metabolism that stimulate hair growth. Research published in 2015 shows that Rosemary oil appears to work as well as minoxidil, a conventional hair loss treatment.
Rosemary is present on our Shampoo, Lotion & Hair Oil.
Massage your scalp with your finger tips when you apply the shampoo, massage increase blood circulation = nutrients for your hair roots.
Rosemary has been shown to thicken hair, you can rub rosemary essential oil into your scalp 20 minutes before going into the showering.
increase scalp circulation leading to a better nutrition to your hair roots and helps to prevent grey hair. Vida Homeopathy Hair Line
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You can find more information at:rom:http://www.goodhousekeeping.com/beauty/hair/tips/a20712/gray-hair-facts/