What Causes
Genetic factors, stress, hair dyes, and other factors may contribute. The human body has millions of hair follicles or small sacs lining the skin. The follicles generate hair and color or pigment cells that contain melanin. Over time, hair follicles lose pigment cells, resulting in white hair color.
The color of greying hair depends on the amount of melanin and the structure of the hair. Grey hair results from a mix of pigmented and non-pigmented (white) hairs, while white hair occurs when there is no melanin at all. The variation can be influenced by genetics, age, and environmental factors.
The bottom line. When and how thoroughly your hair turns gray is influenced mostly by the genes you inherit from your parents. Though stress may play a role in the process, it would be more helpful to look to past generations rather than your current stress levels to help you predict when or if you'll go gray.
Although the primary cause of premature hair graying (PHG) is considered to be genetic, certain environmental factors also play a role. Trace element deficiencies such as Vitamin B12, Vitamin D3, and calcium may also be associated with PHG.
In some individuals, the change in color of pubic hair may occur around the age of fifty, but it can happen earlier or later, depending on individual genetic predispositions and lifestyle factors.
If the cause of greying is genetic, it is not possible to reverse the process, no matter what some marketers on the internet claim. In case of nutritional deficiencies and underlying medical conditions, you can gradually slow down or even reverse the process.
We have previously published findings that, after the age of 50, humans are seldom with- out gray hair. At this age, around 50% of men and 30% of women are moderately or totally gray haired.
Stress has been shown to speed up signs of aging — including gray hair. When you're stressed, your body has a fight-or-flight response and releases a hormone called norepinephrine. This causes the melanocytes — the cells that produce melanin — to move out of your hair follicles.
Melanin is what gives your hair (and skin) its natural color. People of African descent, Thai, and Chinese people, go grey more slowly.
Premature graying may be reversed with vitamin B12 supplementation only if vitamin B12 deficiency is the cause. If you are graying due to other factors, such as genetics, zinc deficiency, and medications, your gray hair cannot be reversed.
Naturally occurring hydrogen peroxide can also build up in the hair, bleaching the color. Typically, White people start going gray in their mid-30s, Asian people in their late 30s, and Black people in their mid-40s. Half of all people have a significant amount of gray hair by the time they turn 50.
Some people will begin to see their first gray hairs in their 20s. This is known as premature hair graying and can be caused by genetics and psychological stress. The most notable signs of graying tend to occur in the 30s and 40s and a significant, or full graying, starts around 50 years of age.
No, most experts agree that pulling out gray hair is an impulse best avoided. Though plucking white hairs may seem like a quick and easy solution to your haircare woes, repeated plucking can damage the hair follicle and potentially cause the hair to thin.
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. Opinions about gray hair vary, but understanding why it happens can help change the narrative around gray hair. After all, it's a natural aging process.
Generally, people start seeing grey hairs appear around their forties and fifties, but some can experience greying as early as their twenties or thirties. Unfortunately, it is all down to genetics, so there's no way to predict when grey or white eyebrows will appear.
Results: We found no correlation between the mortality and the extent of graying of the hair, or baldness or facial wrinkles in either of the sexes, irrespective of age.
That said, certain conditions may temporarily restore pigmentation. For example, if greying is caused by a vitamin deficiency, stress, or an underlying medical condition, addressing these issues may slow or even partially reverse greying. However, the complete reversal of naturally aged hair remains a challenge.
Johnson attributed his transformation to a multi-faceted regimen that includes nutritional support, topical applications, and light therapy. He emphasized the importance of taking proactive measures early to maintain a full head of hair.
Results: Over a period of 18 months, 320 women from all over the world were included in the study (excluding women below the age of 18 years and double entries). The women's mean age was 34.1 years (±11.1) and their mean age at first ejaculation was 25.4 years. Most women ejaculate a few times a week.
More than half of women deal with noticeable pubic hair loss as they age, says Dr. DePree.
If you sense a little body odor, it's because your pubic hair is doing its job of trapping sweat, oil, and bacteria. To care for your pubic area, all you need to do is regularly rinse with water. Long story short, there is nothing dirty or unclean about pubic hair. There is no medical reason to remove it.