Health
Understanding the Impacts of LDL Cholesterol
(Family Features) About 38% of American adults have high cholesterol, which can be caused by poor lifestyle habits or genetics, according to the Centers for Disease Control and Prevention. Having a high low-density lipoprotein (LDL) cholesterol number – considered “bad” cholesterol – can contribute to fatty buildups (plaque) and narrowing of the arteries.
LDL cholesterol is also the type of total cholesterol most closely associated with an increased risk for a heart attack or stroke. In fact, 75% of heart attack and stroke survivors reported having high cholesterol, according to a Harris Poll survey conducted on behalf of the American Heart Association, yet less than half (49%) prioritize lowering their cholesterol.
“There’s a pervasive lack of public awareness and understanding around bad cholesterol and its impact on your cardiovascular health,” said Joseph C. Wu, MD, PHD, FAHA, American Heart Association volunteer president and director, Stanford Cardiovascular Institute and Simon H. Stertzer, MD, professor of medicine and radiology at Stanford School of Medicine. “As bad cholesterol usually has no symptoms, we often find that many patients are walking around without knowing they’re at risk or how to mitigate it.”
To learn about LDL cholesterol, its impact on heart health and the steps you can take to maintain a healthy number, consider this information from the Lower Your LDL Cholesterol Nowinitiative, nationally sponsored by Amgen.
Get to Know Your LDL Number
According to the survey, nearly half (47%) of heart attack and stroke survivors are unaware of their LDL numbers. While cholesterol levels can vary by race and ethnicity, with higher levels of LDL seen most often among Asian men and Hispanic women, various research studies on LDL have shown “lower is better.”
For healthy adults an LDL at or below 100 mg/dL is ideal for good health. If you have a history of heart attack or stroke and are already on a cholesterol-lowering medication, your doctor may aim for 70 mg/dL or lower. In addition to race and ethnicity, family history, age, sex, tobacco use or exposure to secondhand smoke, eating habits, lack of physical activity, heavy alcohol usage and obesity can impact LDL numbers.
Understand How Often to Check Your Numbers
Because high LDL does not typically cause symptoms, it’s important to have your number checked by your health care professional. Ask your doctor for the right frequency for you. Generally, healthy adults ages 20-39 should have their cholesterol checked every 4-6 years. Adults over age 40, or those who have heart disease (including prior heart attack) or other risk factors, may need their number checked more often.
Learn Risks Associated with LDL
Too much LDL cholesterol can lead to a buildup of fatty deposits inside your arteries – a condition known as atherosclerosis – which can narrow arteries and reduce blood flow. If a piece of the plaque breaks free, it might travel into the bloodstream and block a blood vessel to the heart or brain, causing a heart attack or stroke. This narrowing also elevates the risk of peripheral artery disease.
Take Steps to Manage High LDL
Managing high cholesterol is not one size fits all. Talk with your health care professional to map out the right treatment plan for you. According to American Heart Association guidelines, lifestyle habits can help control your cholesterol, including:
- Eating a healthy and balanced diet (emphasizing fruits, vegetables, nuts and seeds, lean protein and fish)
- Staying active and aiming to get at least 150 minutes of moderate activity each week (such as brisk walking)
- Managing stress
- Eliminating tobacco use
However, some individuals, especially heart attack and stroke survivors, should have a conversation with their doctor about cholesterol-lowering medications.
Talk to your doctor about getting your cholesterol tested and visit heart.org/LDL for more information.
Photos courtesy of Shutterstock
SOURCE:
American Heart Association
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Lifestyle
Biden helped bring science out of the lab and into the community − emphasizing research focused on solutions
Arthur Daemmrich, Arizona State University
President Joe Biden was inaugurated in January 2021 amid a devastating pandemic, with over 24 million COVID-19 cases and more than 400,000 deaths in the U.S. recorded at that point.
Operation Warp Speed, initiated by the Trump administration in May 2020, meant an effective vaccine was becoming available. Biden quickly announced a plan to immunize 100 million Americans over the next three months. By the end of April 2021, 145 million Americans – nearly half the population – had received one vaccine dose, and 103 million were considered fully vaccinated. Science and technology policymakers celebrated this coordination across science, industry and government to address a real-world crisis as a 21st-century Manhattan Project.
From my perspective as a scholar of science and technology policy, Biden’s legacy includes structural, institutional and practical changes to how science is conducted. Building on approaches developed over the course of many years, the administration elevated the status of science in the government and fostered community participation in research.
Raising science’s profile in government
The U.S. has no single ministry of science and technology. Instead, agencies and offices across the executive branch carry out scientific research at several national labs and fund research by other institutions. By elevating the White House Office of Science and Technology Policy to a Cabinet-level organization for the first time in its history, Biden gave the agency greater influence in federal decision-making and coordination.
Formally established in 1976, the agency provides the president and senior staff with scientific and technical advice, bringing science to bear on executive policies. Biden’s inclusion of the agency’s director in his Cabinet was a strong signal about the elevated role science and technology would play in the administration’s solutions to major societal challenges.
Under Biden, the Office of Science and Technology Policy established guidelines that agencies across the government would follow as they implemented major legislation. This included developing technologies that remove carbon dioxide from the atmosphere to address climate change, rebuilding America’s chip industry, and managing the rollout of AI technologies.
Instead of treating the ethical and societal dimensions of scientific and technological change as separate from research and development, the agency advocated for a more integrated approach. This was reflected in the appointment of social scientist Alondra Nelson as the agency’s first deputy director for science and society, and science policy expert Kei Koizumi as principal deputy director for policy. Ethical and societal considerations were added as evaluation criteria for grants. And initiatives such as the AI bill of rights and frameworks for research integrity and open science further encouraged all federal agencies to consider the social effects of their research.
The Office of Science and Technology Policy also introduced new ways for agencies to consult with communities, including Native Nations, rural Americans and people of color, in order to avoid known biases in science and technology research. For example, the agency issued government-wide guidance to recognize and include Indigenous knowledge in federal programs. Agencies such as the Department of Energy have incorporated public perspectives while rolling out atmospheric carbon dioxide removal technologies and building new hydrogen hubs.
Use-inspired research
A long-standing criticism of U.S. science funding is that it often fails to answer questions of societal importance. Members of Congress and policy analysts have argued that funded projects instead overly emphasize basic research in areas that advance the careers of researchers.
In response, the Biden administration established the technology, innovation and partnerships directorate at the National Science Foundation in March 2022.
The directorate uses social science approaches to help focus scientific research and technology on their potential uses and effects on society. For example, engineers developing future energy technologies could start by consulting with the community about local needs and opportunities, rather than pitching their preferred solution after years of laboratory work. Genetic researchers could share both knowledge and financial benefits with the communities that provided the researchers with data.
Fundamentally, “use-inspired” research aims to reconnect scientists and engineers with the people and communities their work ultimately affects, going beyond publication in a journal accessible only to academics.
The technology, innovation and partnerships directorate established initiatives to support regional projects and multidisciplinary partnerships bringing together researchers, entrepreneurs and community organizations. These programs, such as the regional innovation engines and convergence accelerator, seek to balance the traditional process of grant proposals written and evaluated by academics with broader societal demand for affordable health and environmental solutions. This work is particularly key to parts of the country that have not yet seen visible gains from decades of federally sponsored research, such as regions encompassing western North Carolina, northern South Carolina, eastern Tennessee and southwest Virginia.
Community-based scientific research
The Biden administration also worked to involve communities in science not just as research consultants but also as active participants.
Scientific research and technology-based innovation are often considered the exclusive domain of experts from elite universities or national labs. Yet, many communities are eager to conduct research, and they have insights to contribute. There is a decades-long history of citizen science initiatives, such as birdwatchers contributing data to national environmental surveys and community groups collecting industrial emissions data that officials can use to make regulations more cost effective.
Going further, the Biden administration carried out experiments to create research projects in a way that involved community members, local colleges and federal agencies as more equal partners.
For example, the Justice40 initiative asked people from across the country, including rural and small-town Americans, to identify local environmental justice issues and potential solutions.
The National Institutes of Health’s ComPASS program funded community organizations to test and scale successful health interventions, such as identifying pregnant women with complex medical needs and connecting them to specialized care.
And the National Science Foundation’s Civic Innovation Challenge required academic researchers to work with local organizations to address local concerns, improving the community’s technical skills and knowledge.
Frontiers of science and technology policy
Researchers often cite the 1945 report Science: The Endless Frontier, written by former Office of Scientific Research and Development head Vannevar Bush, to describe the core rationales for using American taxpayer money to fund basic science. Under this model, funding science would lead to three key outcomes: a secure national defense, improved health, and economic prosperity. The report, however, says little about how to go from basic science to desired societal outcomes. It also makes no mention of scientists sharing responsibility for the direction and impact of their work.
The 80th anniversary of Bush’s report in 2025 offers an opportunity to move science out into society. At present, major government initiatives are following a technology push model that focuses efforts on only one or a few products and involves little consideration of consumer and market demand. Research has repeatedly demonstrated that consumer or societal pull, which attracts development of products that enhance quality of life, is key to successful uptake of new technologies and their longevity.
Future administrations can further advance science and address major societal challenges by considering how ready society is to take up new technologies and increasing collaboration between government and civil society.
Arthur Daemmrich, Professor of Practice in the School for the Future of Innovation in Society, Arizona State University
This article is republished from The Conversation under a Creative Commons license. Read the original article.
The science section of our news blog STM Daily News provides readers with captivating and up-to-date information on the latest scientific discoveries, breakthroughs, and innovations across various fields. We offer engaging and accessible content, ensuring that readers with different levels of scientific knowledge can stay informed. Whether it’s exploring advancements in medicine, astronomy, technology, or environmental sciences, our science section strives to shed light on the intriguing world of scientific exploration and its profound impact on our daily lives. From thought-provoking articles to informative interviews with experts in the field, STM Daily News Science offers a harmonious blend of factual reporting, analysis, and exploration, making it a go-to source for science enthusiasts and curious minds alike. https://stmdailynews.com/category/science/
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Health
Know These 4 Core Factors to Avoid a Heart Health Syndrome
(Family Features) In the U.S., 1 in 3 adults is at risk for a newly recognized syndrome that comes from a combination of heart disease, kidney disease, type 2 diabetes and excess body weight. This cluster of conditions, called cardiovascular-kidney-metabolic (CKM) syndrome, is an example of how problems in one part of your body can affect other parts.
To avoid CKM syndrome, health experts suggest paying close attention to four of the American Heart Association’s Life’s Essential 8 – blood pressure, lipids, body weight and blood sugar level – which are core health factors that impact your metabolic health.
Good metabolic health means your body uses energy well and keeps these factors in a normal range. However, when numbers are off in one area, it can affect others, raising your risk for heart disease, stroke, kidney disease and diabetes.
Consider these tips from the American Heart Association to help keep your core health factors under control.
Blood Pressure
High blood pressure, also known as hypertension, happens when the force of your blood pushing against the walls of your blood vessels is too high. High blood pressure is a leading cause of heart disease, stroke and kidney disease.
Because high blood pressure doesn’t have symptoms, the only way to know you have it is to get your blood pressure checked. Healthy blood pressure is below 120/80. If your blood pressure is 130/80 or higher, talk to your doctor about checking your other core health factors.
Lifestyle changes can help reduce high blood pressure. One example is a Dietary Approaches to Stop Hypertension (DASH) eating pattern that’s low in fat and rich in fruits, vegetables, whole grains and low-fat dairy products. Losing 10 pounds and reducing alcohol consumption can also reduce blood pressure.
Cholesterol
Cholesterol is a waxy substance your liver makes then circulates in the blood where your body uses it to build cells and make vitamins and hormones. You may also get cholesterol from eating animal products. If there’s too much cholesterol circulating, your risk of type 2 diabetes, heart disease and stroke may increase.
For optimal CKM health, your LDL cholesterol should be below 100 and triglycerides below 150. Triglycerides are the most common type of fat in the body. If your triglyceride level is 135 or higher, talk to your doctor about decreasing your risk.
Losing body weight and increasing physical activity decrease triglyceride levels. In addition, DASH and Mediterranean (plant-based, high-fiber, low-fat) eating patterns support healthy LDL and triglyceride levels.
Body Weight
Healthy weight may be determined by body mass index (BMI), a number that represents your weight in relation to your height. Extra body fat can mean a higher risk for many health problems, including heart disease, stroke, high blood pressure, high cholesterol and diabetes.
CKM syndrome starts when BMI is 25 or higher and waist circumference is 88 centimeters or higher for women and 102 centimeters or higher for men. Aim for a BMI between 18.5-25.
To lose weight and keep it off, start by setting realistic goals. Understand how much and why you eat, manage portion sizes, make smart snack substitutions and be physically active.
Blood Sugar
High blood sugar can slowly damage the kidneys. In fact, diabetes is the leading cause of kidney disease, and it increases the risk of heart attack and stroke.
Blood sugar is measured in two ways: a fasting blood glucose test (short term blood sugar) and an A1C test (long term blood sugar control). A normal fasting blood glucose level is 70-99 and a normal A1C level is below 5.7%. Fasting blood glucose above 125 and A1C of 6.5% or higher means you have diabetes.
Habits that help you avoid high blood pressure, weight gain and high cholesterol also keep your blood sugar in check. These are especially important if you have a family history of diabetes.
Learn more about CKM syndrome and how to manage your risk at heart.org/CKMhealth.
Photos courtesy of Shutterstock
SOURCE:
American Heart Association
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Lifestyle
Expert Pregnancy Tips for Staying Healthy This Winter
(Family Features) Staying up to date on recommended vaccines is important during pregnancy. This is especially true during the winter months when more people tend to get sick from flu, COVID-19 and RSV. These viruses can be especially dangerous for pregnant people and babies.
Vaccines are an important part of routine pregnancy care, both for you and your baby. Getting vaccinated against flu and COVID-19 can cut your risk of hospitalization by about half.
Now is the time to get vaccinated if you haven’t already. Flu vaccines help protect you from getting the flu and getting seriously ill, so it’s a good idea to schedule an appointment now. The latest COVID-19 vaccines are important too because they lower your risk of serious illness. An RSV vaccine may also be recommended for when you are 32-36 weeks pregnant. Be sure to talk to your doctor.
“Right now, we are seeing a concerning increase in cases of respiratory diseases, such as the flu, COVID-19 and RSV,” said Adm. Rachel Levin, MD, assistant secretary for health at the U.S. Department of Health and Human Services. “I encourage all pregnant people to take preventive action to protect their health and the health of their baby. The best and safest way to do this is to get vaccinated. Getting vaccinated is easy and is usually covered by insurance.”
Help Protect Your Baby
When you get flu, COVID-19 and RSV vaccines, you’re helping protect your baby by passing your immunity on to them. Getting vaccinated against flu, COVID-19 and RSV during pregnancy can protect your baby during the first 6 months of life. These viruses can be very harmful to newborns. In fact, RSV is the leading cause of hospitalization in infants
Talk to Your Doctor About Timing
Millions of people in the U.S. have already gotten vaccinated against flu, COVID-19 and RSV this season. If you haven’t gotten your vaccines yet, be sure to talk with your doctor. They can help you choose the right vaccines and determine the best timing to help protect you and your baby.
Get the Facts
Getting vaccinated can give you peace of mind, ensuring you have done everything you can to protect yourself and your baby from serious respiratory illness. Information can give you power and comfort, especially when you’re pregnant.
Go to cdc.gov/RiskLessDoMore to learn more about flu, COVID-19 and RSV vaccines, or go to vaccines.gov to get started today.
Photo courtesy of Shutterstock
SOURCE:
U.S. Department of Health and Human Services
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