Gray hair is one of the universal signs of advanced age. More likely than not, at some point in your life, your hair will start to go gray. Some individuals can maintain hair color well into their older age, but most do not.
Typically, white people start going gray in their mid-30s, Asians in their late 30s, and Blacks in their mid-40s. Half of all people have a significant amount of gray hair by the time they turn 50.
Vitamin deficiencies
Any deficiencies of vitamin B-6, B-12, biotin, vitamin D, or vitamin E can contribute to premature graying. One 2015 report in the journal Development notes various deficiency studies on vitamin D-3, vitamin B-12, and copper and their connection to graying hair.
Hair graying is the most apparent sign of biological aging in humans, yet its mechanism is largely unknown. Today, it is known that cardiovascular risk factors (CVRFs), especially in combination, cause premature atherosclerosis.
The vast majority of people with gray hair have age-related graying. However, sometimes graying hair indicates an illness, especially if it occurs at a particularly young age. Health problems that may be heralded by gray hair include: vitamin B12 deficiency.
Vitamin B-12 deficiency is one of the most common causes of prematurely graying hair. Researchers have noted that vitamin B-12 deficiencies are often concurrent with folic acid and biotin deficiencies in people whose hair has started to turn gray early.
Grey hair and genetics
The average age for grey hair varies greatly, and one of the main causes of grey hair in your 20s is genetics. The age at which a person's hair turns grey is influenced by the IRF4 gene, and one specific variant (rs12203592) is a marker for premature greying.
Despite the claims made online and by product marketers, it's not possible to reverse white hair if the cause is genetic. Once your hair follicles lose melanin, they can't produce it on their own. As melanin production slows, your hair turns gray, and then white when melanin production has completely stopped.
There are no treatments that are proven to treat (or reverse) gray hair. As researchers learn more about how the graying process happens, they may develop effective medications and treatments for gray hair.
1. When do most women go grey then? "Most women who are in their 30s should see a few grey hairs, but by the time they get into their 50 most women would expect to have more than 50% of their scalp hairs turn grey."
A new study shows that stress really can give you gray hair. Researchers found that the body's fight-or-flight response plays a key role in turning hair gray. Your hair color is determined by pigment-producing cells called melanocytes.
False. This isn't necessarily true for everyone, says Sobel. By the time people are in their thirties, most have a few strands of gray hair naturally. While some may continue to gray with each passing year, others may just stall at those few strands of gray for years—or even decades—to come.
“Plucking a gray hair will only get you a new gray hair in its place because there is only one hair that is able to grow per follicle. Your surrounding hairs will not turn white until their own follicles' pigment cells die.”
Lack of proper sleep and stress are main reason of premature greying of hairs. Such lifestyle increases the ageing process which in turn may affect the hair growth, volume and overall health.
Stress can cause hair to gray prematurely by affecting the stem cells that are responsible for regenerating hair pigment.
And while it may seem intuitive that stress can accelerate graying, the researchers were surprised to discover that hair color can be restored when stress is eliminated, a finding that contrasts with a recent study in mice that suggested that stressed-induced gray hairs are permanent.
Does gray hair from stress go away? Research from 2020 suggests that graying hair is a permanent effect of stress. Once the melanocyte stem cells are lost, you can't regenerate pigments anymore.
The pigment in our hair is caused by melanin— the same pigment that is also responsible for our skin color. Gray hair is caused by a loss in melanin, whereas white hair does not have any melanin at all. As you age, your hair produces less and less melanin that leads your hair to appear gray, and then eventually white.
It turns out you can blame Mom and Dad, at least a bit. Scientists say they've identified the first gene for gray hair. The variant, dubbed IRF4, is also associated with blonde or lighter-colored hair. That makes sense, because melanin is the pigment that paints hair with the chestnut, golden or raven hues of youth.
It's estimated that 74% of people aged 45 to 65 have at least some gray in their manes. To understand why hair may gray at the temples first, it's helpful to understand why hair turns gray to begin with.
While the study concluded that the average age for a woman to go grey is 33, it found redheads lose their colour at 30, brunettes at 32 and blondes at 35. For one in 10 women, those first grey hairs appear by the time they reach 21-years-old, while one in four women find their first grey by the age of 25.
Vitamin D
When there isn't enough vitamin D in your body your hair may turn grey or white. One study published in The International Journal of Trichology found that children who experienced premature hair greying had low vitamin D levels.