Skip to main content

WHY DON'T DARK-SKINNED PEOPLE GET SUNBURNS?


Why don't dark-skinned people get sunburns?

•Dark-skinned people do get sunburns. While it's true that the higher pigment levels that make certain people's skin look dark helps protect against sunlight, the pigments do not block 100% of the light.

•The skin pigment melanin is produced by special skin cells called melanocytes to protect the body from the damaging effects of ultraviolet light. 

•Higher levels of melanin means less sunburn and less skin cancer.

•But even the darkest-skinned person is not protected 100% from sunlight.

•A study found that 13% of black women and 9% of black men reported getting at least one sunburn in the past year. 

•Furthermore, 38% of Hispanic women and 32% of Hispanic men reported getting at least one sunburn in the past year. 

•For comparison purposes, the average value across all ethnicities and genders was 50.1%. While dark-skinned people definitely get fewer sunburns, they still get them. 

•When a dark-skinned person gets a sunburn, it may not be visually noticeable, but the damage is still there. 

•A dark-skinned person with a sunburn still experiences the skin tightness, pain, sensitivity, heat, and peeling that light-skinned people experience.


•Because dark-skinned people get sunburns, they also get skin cancer from sun exposure.

•The rates of skin cancer for dark-skinned people are far below that of light-skinned people, but the rates are not zero.

•A study found that about 1 in every 100,000 black people gets skin melanomas each year and about 4 in every 100,000 Hispanic people get skin melanomas each year.

•Dark-skinned people have a higher chance of getting skin cancer from sun exposure than of winning the lottery.

•But, unlike the lottery, dark-skinned people have a way to drastically alter their odds. 

•Sunscreen protects dark skin against sunlight damage just as well as it protects light skin. 

•About 1 in every 200,000 black people dies from skin cancer each year and 2 in every 200,000 Hispanic people die from skin cancer each year.

•For comparison purposes, about 6 in every 200,000 white people die from skin cancer each year.

Comments

Popular posts from this blog

Why do the Indian telecom operators offer their services with 28 days validity, not 30 days?😡😡

Here telecom operator are very clever, b ecause telecom operators want to earn money of 13 months instead of 12 months. Let do the calculation and find out why telecom operators are offering 28 days validity. Each month they get 2 days more, therefore in a year they get additional 24 days. There are 7 month which has 31 days so they get additional 7 days.Now in case of February  ,it has only 28 days not 30. So the total number of days they get are=24+7-2=29 days. So if you recharge 12 times then more 29 days are left in a year.🤔🤔 Means for another 29 days you have to recharge from that telecom operator.😫😫 So you have to recharge 13 times in a year instead of 12 times in a year. So telecom operators provide 28 days validity only. First one telecom operator started and then another telecom operators also understood this concept and they also applied 28 days validity both in data packs and voice packs.😱😱😱

How Energy conversion from coal is done?

Single generator sets of over 600 MW are now used in the UK, though there are many smaller generators in use. A 600 MW generator can supplythe average needs of over 1 million UK households. Three or four such generators are typically installed in a single large coal-fired station which isoften sited close to a coal mine, away from the city dwellers who consume the electricity. Such generators are usually driven by a compound arrangement of highpressure, intermediate-pressure and low-pressure turbines, increasing in size as the pressure decreases. Modern turbines rotate in a speed range from 1500 to 3500 r.p.m., usually 3000 r.p.m. for the UK’s 50 Hz system. For large coal-fired plant the steam pressure could be 25 megapascals (MPa) with steam temperatures of 500–600 °C to improve the thermodynamic efficiency. In nuclear reactors, which operate under less demanding conditions, the steam is superheated to about 5 MPa and 300 °C. Modern water tube boilers are complex and have ...

What is YONO Cash?

Presently, many account holders, who do not possess ATM Card need to visit the branch to withdraw cash. With increasing instances of ATM card cloning in various ATMs of different banks, some customers are wary of using their existing ATM Cards in ATM kiosks and hence not utilizing the services of ATMs for withdrawal of cash. Keeping such a scenario in view, a new functionality “YONO Cash” is developed which will be a card-less cash withdrawal facility through YONO platform where cash is collected at select ATMs. (YONO Cash Points -YCP) SALIENT FEATURES:- 1) Customers will able to generate  YONO cash transactions from app or portal. 2)Customer can instantly withdraw funds from his account using the YONO Cash transaction number generated through YONO App or Portal along with YONO Cash PIN set by the Customer. 3)The account holder can withdraw money from select State Bank . 4)The Transaction Number for YONO Cash will have a validity of a maximum of 30 minutes 5)Under YONO ...