But you might be missing clues that your hair is revealing about your health. Research shows that changes in your hair's look, texture, or thickness can be signs of underlying health conditions. Here's how you can tell whether your hair changes are due to a health problem, genetics, stress, or a nutritional deficiency. Anyone who has watched presidential hair change from campaign to campaign has noticed that stress seems to make hair turn gray, and a study on mice published in the journal Nature suggested that chronic stress may indeed contribute to graying hair by causing DNA damage and reducing the supply of pigment-producing cells in hair follicles.
Stress can also cause your hair to fall out. Another type of stress, known as oxidative stress, may also play a role in gray hair. Going gray is actually a totally natural part of aging, as your hair follicles produce less color as you get older. Your genes also play a role in when your hair turns gray, adds Dr. Mirmirani — ask your parents how old they were when they saw the first sign of silver, and you might follow suit. In fact, a study published in March in the journal Nature Communications was the first to identify the gene responsible for gray hair.
But, notes Mirmirani, there are many other more obvious symptoms of Cushing's syndrome, including high blood pressure, fatigue, and back pain. Treatment for Cushing's syndrome may include changing the dose of medication that could be causing the condition, such as glucocorticoids , which are steroids used to treat inflammation caused by a variety of illnesses.
Other people might need surgery, chemotherapy , or radiation therapy to correct the adrenal gland's overproduction of cortisol. People who have hypothyroidism , a condition that occurs when your thyroid gland doesn't produce enough thyroid hormones , might notice increased hair shedding and a change in hair appearance, says Mirmirani. About 4.
It can cause thinning hair and other symptoms, such as tiredness, cold intolerance, joint pain, muscle pain, a puffy face, and weight gain. A thyroid-stimulating hormone TSH test will diagnose the condition, and treatment entails taking thyroid medication.
For example, the possibility to animate virtual rendered hair by presenting them to participants in three-dimensional view and under different standardized light conditions facilitates the investigation of consistency in perceptions of hair specific properties and styles.
This approach can be extended by introducing additional lights, thus creating a more naturalistic scenario for the assessment of hair models. The application of different light settings to our virtual rendered hair models may also provide additional realism to virtual hair.
Although we make the implicit assumption that the creations of virtual hair models worked equally well for all systematic conditions, we cannot rule out the possibility that some feature combinations may appear more realistic than others. This needs to be tested in future research. With regard to evolutionary implications on the role of hair quality in perception of female appearance, a replication of the present study with male judges is clearly needed.
The choice of a certain hair style, however, may polarize among observers, and it will be interesting to see if the observed female preference for long but not always blonde hair is shared by men. Studies on hair color preferences have produced mixed results, and we hope that subjecting our hair models to cross-cultural investigation will help resolving the question on gender difference in hair color perception.
We embrace the assertion that hair is a salient feature of human physical appearance, which contributes to the perception of beauty. Our present data show that women are remarkably sensitive to subtle variations of hair diameter and density, in addition to variation in hair color and style and judge them selectively on age, health, and attractiveness.
These features depend on age-related hormonal changes, and may therefore signify reproductive potential. Hair style seems to have the strongest effect on visual perception. CH and TH prepared the stimuli. CH collected rating data. BF and CH analyzed the data. BF wrote the manuscript. The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest.
National Center for Biotechnology Information , U. Journal List Front Psychol v. Front Psychol. Published online Dec Author information Article notes Copyright and License information Disclaimer. This article was submitted to Perception Science, a section of the journal Frontiers in Psychology. Received Aug 22; Accepted Nov The use, distribution or reproduction in other forums is permitted, provided the original author s or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice.
No use, distribution or reproduction is permitted which does not comply with these terms. This article has been cited by other articles in PMC. Abstract The social significance of physical appearance and beauty has been documented in many studies.
Keywords: human, hair, modeling, perception, attractiveness, age, health. Open in a separate window. Experiment 3 Hair style is highly variable, and systematic effects of visual perception are, therefore, difficult to investigate.
General Discussion Systematic manipulations of hair diameter, hair density, and hair style revealed a series of main and interaction effects on perceptions of age, health, and attractiveness of hair.
Conclusion We embrace the assertion that hair is a salient feature of human physical appearance, which contributes to the perception of beauty. Conflict of Interest Statement The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest. Footnotes Funding. References Barman J. The normal trichogram of the adult. Female pattern hair loss. Survival of the Prettiest. New York, NY: Doubleday.
Visual attention to and perception of undamaged and damaged versions of natural and coloured female hair. Female intrasexual competition decreases female facial attractiveness. European hair and eye color: a case of frequency-dependent sexual selection? A meta-analytic review. Human Behav. The rendering equation. Studies of light scattering from ethnic hair fibers. Facial appearance is a cue to oestrogen levels in women. Facial attractiveness: evolutionary based research.
B Biol. The death of the density debate. Optical properties of hair - detailed examination of specular reflection patterns in various hair types. Hairstyle as an adaptive means of displaying phenotypic quality. Hair through the female life cycle. Variations of scalp, pubic and axillary hair. The hair follicle as an estrogen target. Study on Japanese hair. Koshokaishi 12 — Alterations in hair follicle dynamics in women. BioMed Res. The evolutionary psychology of facial beauty.
The American image of beauty: media representations of hair color for four decades. Sex Roles 29 — What women want—quantifying the perception of hair amount: an analysis of hair diameter and density changes with age in Caucasian women. Chemical and Physical Behaviour of Human Hair.
New York, NY: Springer. Facial, olfactory, and vocal cues to female reproductive value. Visual attractiveness is leaky: the asymmetrical relationship between face and hair.
Visible skin condition and perception of human facial appearance. Alopecia areata: an apparent relationship to psychic factors. Psychiatry — Attractiveness of blonde women in evolutionary perspective: studies with two Polish samples. Skills — Hair loss in systemic disease. Unattractive, promiscuous and heavy drinkers: perception of women with tattoos. Body Image 4 — The body and face of woman: one ornament that signals quality? One important key to encouraging the growth of long and thick hair is to wash your hair the right amount.
Washing your hair too much dries out your strands and your scalp, which can leave your hair brittle and prone to breakage.
On the other hand, washing your hair too little means that your hair follicles can become clogged with sebum, dead skin, and hair products. This can prevent hair follicles from growing healthy hair. Another tip: washing your hair with steaming hot water will also leave it dry, brittle, and prone to breakage. To grow thicker hair, wash your hair with lukewarm water, which will help your hair to maintain its moisture content naturally.
Hot tools are great for creating stylish, polished looks, but they can be incredibly damaging to your hair. Hot tools can disrupt the outer protective layer of the hair, allowing the moisture inside to escape. When this happens, hair is more prone to breakage and split ends. Instead, look up heat-free methods of curling your hair, or style your hair in a protective hairstyle like braids.
Just make sure to use Hair Rings rather than traditional hair ties, since traditional hair ties can also lead to breakage and prevent you from reaching your hair goals. If you do choose to style your hair with hot tools, prep your hair with a heat protectant like Hair Strengthening and Protection Oil , which is loaded with antioxidants and natural moisturisers that help to mitigate some of the damaging effects of hot tools.
If you want to learn how to get thicker hair, combing carefully is key. Always start at the ends of your hair, and gently work your way towards the roots.
Any wide-tooth comb will do, but using Detangle Wet Brush will really help you to achieve your hair goals. Because this brush is specially designed to detangle delicate wet hair without breakage, thanks to its soft silicone bristles that slip easily through tangles.
Brushing your hair regularly is also key for growing long, thick hair because brushing helps to distribute the natural oils from your scalp throughout your hair, keeping it hydrated and healthy.
I love using Bamboo Hair Brushes for this purpose because they have cushioned bristles that work to stimulate blood flow to the scalp, boosting hair growth. Plus, they are made from bamboo, an environmentally-friendly alternative to traditional hairbrush materials like plastic.
This thickening product boosts hair volume at the roots, plus it treats the scalp with organic mint oil. With regular use, mint oil can help to naturally encourage hair growth for long, thick hair. Allow hair to air dry, or mist with Hair Finishing Spray and blow-dry with a round brush for extra volume. It may sound counterintuitive, but getting regular trims can actually help your hair to grow longer. When left untreated, those split ends can travel up the hair shaft and break off the hair.
So if you want to make hair thicker by keeping your hair healthy and preventing breakage, visit your hairdresser for a subtle trim every months or so. Looking for more advice on how to make hair thicker? Besides changing your styling habits, there are also some lifestyle changes you can make to promote healthy hair growth and make hair thicker.
Try to incorporate one or more of these lifestyle changes to grow long and thick hair. As I mentioned before, nutrition is key when it comes to having long and thick hair. So, how do you make hair thicker with your diet? These delicious hair vitamins are formulated to help you grow healthy hair from the inside out, with a potent combination of 5, mcg biotin plus other hair-loving nutrients.
Hint: HairLust's hair growth supplements for women are also available in tablet format , plus HairLust carry hair growth vitamins for men! Vegan hair vitamins formulated with biotin and zinc, which contribute to the maintenance of normal hair. Easy-to-swallow tablets, formulated with silica from bamboo as well as amino acids, vitamins and minerals. Regular scalp massage is another easy lifestyle change that you can make to grow thicker hair.
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