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Diving into the Genetics of Sickle Cell Disease
NNPA NEWSWIRE — Research indicates that as many as 3 million Americans carry the sickle cell trait, primarily impacting African Americans. In fact, nearly 1 in 12 African Americans have the sickle cell trait.
The “Ask Dr. Kevin” series is brought to you by Pfizer Rare Disease in collaboration with the National Newspaper Publishers Association (NNPA) to increase understanding of sickle cell disease.
Dr. Kevin Williams is the Chief Medical Officer for Rare Disease at Pfizer. He pursued medicine after being inspired by his father’s work as a general practitioner in his hometown of Baton Rouge, Louisiana. Dr. Kevin is passionate about raising awareness and increasing understanding of rare diseases, such as sickle cell disease, in the African American community.
In recent years, genetics has become a hot topic in popular culture, frequently making news headlines and serving as a key theme in movies and TV shows—and for good reason: our genes are what make us unique.
Genes not only help to shape our tastes and preferences, but they also can influence our health. In some cases, our genes play silent roles within our bodies. In others, genes take on a more prominent role, even determining our likelihood of having specific diseases.
This brings me to sickle cell disease (SCD), a topic I am passionate about and have discussed in previous articles. In this article, I’d like to focus on the often under-recognized fact that SCD is a genetic disease and is inherited from the passing of the sickle cell gene from parent to child.
Not everyone who inherits the sickle cell gene has SCD. Only people who inherit the gene from both parents develop this condition. This is an important distinction, as a person who inherits the sickle cell gene from only one parent while inheriting a normal gene from the other will have sickle cell trait, and typically will live a relatively normal life. However, people with sickle cell trait have a 50% chance of passing the gene to their children.[1]
I’m here to answer some of the most common questions that I’m asked about the sickle cell trait and suggest available resources for additional information.
How prevalent is the sickle cell trait?
Research indicates that as many as 3 million Americans carry the sickle cell trait, primarily impacting African Americans. In fact, nearly 1 in 12 African Americans have the sickle cell trait.1
Worldwide, more than 100 million people carry the sickle cell trait.[2] It is most prevalent among sub-Saharan Africans, Hispanics, South Asians, Caucasians from southern Europe, and people from the Middle East.1
Are there complications with having the sickle cell trait?
The majority of people who carry the sickle cell trait do not experience complications. However, that is not to say that everyone with the trait remains symptom-free. Though rare, extreme conditions such as severe dehydration, high-intensity physical activity, and low oxygen environments (e.g.: high-altitude locations) can lead to serious health issues or even sudden death for individuals with the sickle cell trait.1
How do you know if you have the sickle cell trait?
All it takes is a simple blood test to learn if you have the sickle cell trait. You can talk with your doctor or a health clinic about getting the test.
In the US, all newborns are screened for the sickle cell trait before they leave the hospital. The results are usually available at the child’s one-month appointment. I strongly encourage older children and adults who weren’t tested as newborns to consider getting the test.
Why is it important to know your sickle cell trait status?
Getting screened is extremely important. If you know you have the trait, you will be more likely to take precautions to avoid those extreme conditions I mentioned earlier, like severe dehydration, high-intensity physical activity, and low-oxygen environments (eg, high-altitude locations), which could potentially trigger the onset of symptoms.1
For those considering having children, consulting a genetic counselor, who can help them better understand what it means to be a carrier of the gene and the chances of having a child with SCD or the trait, should be considered.
It is important for everyone, particularly African Americans, to know their status. I always say that knowledge is power when it comes to your health.
Where can you go to learn more?
- I encourage you to speak with your doctor about any concerns related to SCD and the sickle cell trait. There are also great resources out there to learn more: Head to com to find information and advice for patients and caregivers, search for healthcare professionals, and access community support and other resources.
- Review the US Centers for Disease Control and Prevention’s “Get Screened to Know Your Sickle Cell Status” to learn more about sickle cell testing.
- Contact national and/or local advocacy groups to learn more about genetic screenings that are offered in your area.
About Dr. Kevin Williams
Dr. Kevin Williams is the Chief Medical Officer (CMO) for Pfizer Rare Disease. In this role, he leads a Medical Affairs organization of approximately 150 medical colleagues around the globe supporting Pfizer’s efforts and portfolio in Rare Disease. Dr. Kevin joined Pfizer in January 2004 as a Director of Regional Medical & Research Specialist working in the HIV disease area. After moving into a Team Leader position in July 2005, he served in various leadership roles during his career at Pfizer. Dr. Kevin moved into his current Rare Disease CMO position in May 2016.
Dr. Kevin received his medical degree from the UCLA School of Medicine and is board certified in Internal Medicine. Following a 2-year fellowship in Health Services Research at UCLA and a brief academic career as an Instructor of Medicine at the UCLA School of Medicine, he spent 8 years in private practice caring for HIV-positive patients while maintaining an academic appointment at the UCLA School of Medicine as an Assistant Clinical Professor of Medicine. In addition to his medical degree, Dr. Kevin has a Masters in Public Health from the UCLA School of Public Health and a Juris Doctorate from Harvard Law School.
Keep up to date on Pfizer’s SCD efforts by visiting our page here. You can also follow Pfizer on Facebook and Twitter.
[1] Centers for Disease Control and Prevention. What you should know about sickle cell trait. https://www.cdc.gov/ncbddd/sicklecell/documents/SCD%20factsheet_Sickle%20Cell%20Trait.pdf. Accessed November 13, 2018.
[2] American Society of Hematology. Sickle cell trait. http://www.hematology.org/Patients/Anemia/Sickle-Cell-Trait.aspx. Published September 8, 2017. Accessed November 18, 2018.
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Tiguan’s AI Touchscreen & Gear Shift: VW Just Changed the Game! #2
Explore the Tiguan’s cutting-edge 12.9-inch infotainment touchscreen featuring wireless Apple CarPlay, Android Auto, voice control, and a new AI assistant. See how VW innovatively moved the gear shifter to the steering column, enhancing the center console and navigation system! #AutoNetwork #Tiguan #Infotainment #AppleCarPlay #AndroidAuto #AISystem #NavigationSystem #CarTech #TechReview #CarInnovation #Automotive

https://youtube.com/watch?v=0xUKM6U2Lpc&autoplay=0&cc_lang_pref=en&cc_load_policy=0&color=0&controls=1&fs=1&h1=en&loop=0&rel=0
Explore the Tiguan’s cutting-edge 12.9-inch infotainment touchscreen featuring wireless Apple CarPlay, Android Auto, voice control, and a new AI assistant. See how VW innovatively moved the gear shifter to the steering column, enhancing the center console and navigation system! #AutoNetwork #Tiguan #Infotainment #AppleCarPlay #AndroidAuto #AISystem #NavigationSystem #CarTech #TechReview #CarInnovation #Automotive
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IN MEMORIAM: Legendary Funk Pioneer Sly Stone Dies at 82
Sly Stone’s musical approach radically reshaped popular music. He transcended genre boundaries and empowered a new generation of artists. The band’s socially conscious message and infectious rhythms sparked a wave of influence, reaching artists as diverse as Miles Davis, George Clinton, Prince, Dr. Dre, and the Roots.

By Stacy M. Brown
BlackPressUSA.com Newswire
Sylvester “Sly” Stewart—known to the world as Sly Stone, frontman of the groundbreaking band Sly and the Family Stone—has died at the age of 82.
His family confirmed that he passed away peacefully at his Los Angeles home surrounded by loved ones, after battling chronic obstructive pulmonary disease (COPD) and other health complications.
Born March 15, 1943, in Denton, Texas, Stone moved with his family to Vallejo, California, as a child. He began recording gospel music at age 8 with his siblings in a group called the Stewart Four. By his teenage years, he had mastered multiple instruments and was already pioneering racial integration in music—an ethos that would define his career.
In 1966, Sly and his brother Freddie merged their bands to form Sly and the Family Stone, complete with a revolutionary interracial, mixed-gender lineup.
The band quickly became a commercial and cultural force with hits such as “Dance to the Music,” “Everyday People,” and “Thank You (Falettinme Be Mice Elf Agin)”—all penned by Stone himself.
Their album “Stand!” (1969) and live performances—most notably at Woodstock—cemented their reputation, blending soul, funk, rock, gospel, and psychedelia to reflect the optimism and turmoil of their era.
Sly Stone’s musical approach radically reshaped popular music. He transcended genre boundaries and empowered a new generation of artists. The band’s socially conscious message and infectious rhythms sparked a wave of influence, reaching artists as diverse as Miles Davis, George Clinton, Prince, Dr. Dre, and the Roots.
As the 1970s progressed, Stone confronted personal demons. His desire to use music as a response to war, racism, and societal change culminated in the intense album “There’s a Riot Goin’ On” (1971). But drug dependency began to undermine both his health and professional life, leading to erratic behavior and band decline through the early 1980s.
Withdrawn from the public eye for much of the 1990s and early 2000s, Stone staged occasional comebacks. He was inducted into the Rock & Roll Hall of Fame in 1993, received a Lifetime Achievement Award from the Grammys in 2017, and captured public attention following the 2023 release of his memoir “Thank You (Falettinme Be Mice Elf Agin)”—published under Questlove’s imprint. He also completed a biographical screenplay and was featured in Questlove’s documentary “Sly Lives!” earlier this year.
His influence endured across generations. Critics and historians repeatedly credit him with perfecting funk and creating a “progressive soul,” shaping a path for racial integration both onstage and in the broader culture.
“Rest in beats Sly Stone,” legendary Public Enemy frontman Chuck D posted on social media with an illustrative drawing of the artist. “We should thank Questlove of the Roots for keeping his fire blazing in this century.”
Emmy-winning entertainment publicist Danny Deraney also paid homage. “Rest easy Sly Stone,” Deraney posted. “You changed music (and me) forever. The time he won over Ed Sullivan’s audience in 1968. Simply magical. Freelance music publicist and Sirius XM host Eric Alper also offered a tribute.
“The funk pioneer who made the world dance, think, and get higher,” Alper wrote of Sly Stone. “His music changed everything—and it still does.”
Sly Stone is survived by three children.
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PRESS ROOM: Clyburn on 10th Anniversary of Mother Emanuel AME Church Shooting in Charleston
BLACKPRESSUSA NEWSWIRE — Congressman James E. Clyburn (SC-06) released the following video on X, paying tribute to the 10th anniversary of the shooting that took place at Mother Emanuel AME Church in Charleston, South Carolina on June 17, 2015.

By Congressman James E. Clyburn
CHARLESTON, SOUTH CAROLINA – Congressman James E. Clyburn (SC-06) released the following video on X, paying tribute to the 10th anniversary of the shooting that took place at Mother Emanuel AME Church in Charleston, South Carolina on June 17, 2015.
“Over 6 years ago, the House first passed my Enhanced Background Checks Act to close the Charleston Loophole that allowed a white supremacist to obtain the gun he used to murder nine worshipers at Emanuel AME Church on June 17, 2015.
“I’ll never stop fighting to pass this law.”
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