Sentences with phrase «skinned people produce»
At northern latitudes in the summertime, light - skinned people produce about 1,000 international units (IUs) of vitamin D per minute, but those with darker skin synthesize it more slowly, says Adit Ginde, an assistant professor at the University of Colorado Denver School of Medicine.
https://www.scientificamerican.com/ Not exact matches
There are only 2 predimonently «brown» and «red»... most all humans produce predominately produce brown pigment, people, with lighter skin produce less but also produce brown pigment called eumelanin, red heads tend to produce not only eumelanin, but large amounts of phenomelanin, hence why they will end up with red hair and freckles....
The more the person is generally exposed to the sun, the more melanin their skin produces.
«We discovered that healthy people have many bacteria producing previously undiscovered antimicrobial peptides, but when you look at the skin of people with atopic dermatitis, their bacteria are not doing the same thing.
In the UK, health experts have determined that six hours a month of sunshine is needed to produce enough vitamin D in people's skin.
Michos notes that people with darker skin produce vitamin D less efficiently after sun exposure, possibly due to the greater amount of melanin pigment, which acts as a natural sunscreen.
The scientists said the finding strengthens the theory that dark - skinned people who migrate northward from low - latitude, tropical areas with stronger sunlight produce less vitamin D; deficiencies in this vitamin can weaken the bones and immune system, inviting TB and other diseases.
A mutation in a single gene produced extra sweat glands in Asian people's skin, perhaps to help them keep cool in the warm and humid climate
When susceptible people come into contact with flakes of cat skin called dander, T cells in their immune systems set off a chemical chain reaction that produces the familiar symptoms of allergy, including sneezing, runny noses, itching and asthma.
Common skin - prick tests, in which a person is scratched by a needle coated with proteins from a suspect food, produce signs of irritation 50 to 60 percent of the time even when the person is not actually allergic.
An experienced researcher might collect 40 skin snips in an hour, he says, but with urine the researchers have to wait until each person can produce the sample.
The epithelial stem cells, when implanted into immunocompromised mice, regenerated the different cell types of human skin and hair follicles, and even produced structurally recognizable hair shaft, raising the possibility that they may eventually enable hair regeneration in people.
Amy Kassouf, MD, a dermatologist at the Cleveland Clinic, clarifies that many cleansing oils are better suited for people with dry skin who could use a little more moisture, rather than people who naturally produce a lot of oil.
Since the pigments of darker skin protect against UV irradiation, dark - skinned people require up to three hours of direct sunlight to produce a comparable amount of vitamin D.
Dark - skinned people - The darker your skin, the less vitamin D your body produces when exposed to sunlight.
Therefore dark - skinned people may need almost ten times the amount of sun exposure to produce the amount of vitamin D a person with a lighter complexion would need.
This number rises to 74 % in the elderly and 82 % in people with dark skin, since their skin produces less vitamin D in response to sunlight (15, 16).
African Americans are at greater risk of vitamin D deficiency, because if you have dark skin, you may need as much as 10 times more sun exposure to produce the same amount of vitamin D as a person with pale skin!
Studies show that naturally dark - skinned people don't produce as much D when exposed to sunlight as light - skinned people do.
Another way that Magnesium helps our skin is by producing an antioxidant called glutathione which stated in this acne study shows that people who are prone to acne have less of this antioxidant in their body.
Most people know that vitamin D is produced by exposure of the skin to the sun.
This is why people are more prone to the flu in winter when Vitamin D producing sunshine is minimal or nonexistent at some latitudes, or people are too bundled up to get enough skin exposed in the first place.
Beneficial bacteria are important for healthy skin, because various B vitamins and folic acid are produced by beneficial bacteria, and healthy people with healthy digestive systems tend to have healthier looking skin as a consequence of their balanced bowel flora.
A person with dark skin, for example, may need as much as ten times more sun exposure to produce the same amount of vitamin D as a person with pale skin.
FIn 2011, the pharmaceutical company Pfizer temporarily suspended use of the poultry drug Roxarsone after FDA reports showing that the arsenical compounds in the drug may break down into inorganic arsenic, a toxin that can produce skin lesions, respiratory irritation, and several types of cancer in exposed persons, Fand may leach into local water supplies or remain in chicken tissue after slaughter.
A lot of people with oily skin stay away from moisture, but that actually makes skin oilier because it ends up trying to hydrate itself by producing its own moisture.»
While people with oily, combination skin or acne - prone skin should use Jojoba oil as it gets absorbed into the skin quickly and provide nutrients sub-dermal and also tricks the skin into believing that it's produced enough oil.
The disease in people can produce a characteristic raised ring, which to someone in the past, must have looked like a worm underneath the skin.
Where the Statue of Liberty's copper skin pieces produced by Frédéric Auguste Bartholdi were soldered together on a metal scaffold, and unveiled in 1886 as an image now almost universally recognizable, WE THE PEOPLE is a series of copper skin fragments dispersed according to the logic, or abstract armature, of the global art system.
As a natural outer layer of tissue that covers the body of a person or animal, the skin can be separated from the body to produce garments, containers for holding liquids or parchment as a writing surface.
Some people swear by the nutrients and fiber found in produce skins, others shy away from the taste or texture, or prefer removing the outer layer to reduce pesticide load.
In low light, its True Tone flash mixes light from LEDs of two different colors, allowing it to better match the «warm» ambient light — especially indoors — and produce better - looking skin tones, whatever the color of the person's complexion.