Health
A quick look inside a human being
Newswise — Imaging techniques, such as computed tomography, magnetic resonance imaging, positron emission tomography, and ultrasound, have become essential tools in the field of medicine. These methods provide invaluable insights into the human body, enabling physicians to not only visualize internal structures with precision but also make informed assessments of defects or functional processes within the body. These imaging modalities have revolutionized medical diagnostics and significantly enhanced the quality of patient care.
A collaborative team of physicists and medical doctors from Julius-Maximilians-Universität Würzburg (JMU) has achieved a significant milestone by making Magnetic Particle Imaging (MPI) viable for human use, offering a radiation-free imaging technology. Led by Professor Volker Behr and Dr. Patrick Vogel from the Institute of Physics at the university, the team has successfully developed a portable scanner. This groundbreaking technology allows for the visualization of dynamic processes within the human body, including blood flow. The promising results of their study have been published in the esteemed journal Nature Scientific Reports.
A sensitive and fast alternative
Magnetic Particle Imaging (MPI) is a technique that revolves around the direct visualization of magnetic nanoparticles, as indicated by its name. These nanoparticles are not naturally present in the human body and need to be administered as markers. Similar to positron emission tomography, which employs radioactive substances as markers, MPI offers the significant advantage of sensitivity and speed without being affected by interfering background signals from tissues or bones, as explained by Volker Behr.
In contrast to positron emission tomography’s reliance on detecting gamma rays from a radioactive marker, MPI operates on the response signal of magnetic nanoparticles to varying magnetic fields. “During this process, external magnetic fields are used to selectively manipulate the magnetization of nanoparticles, allowing not only their presence but also their spatial position within the human body to be detected,” explains physicist Patrick Vogel, the first author of the publication.
A small scanner for big insights
The concept of MPI is not a recent one. Back in 2005, Philips showcased the first images using this innovative approach in a small demonstrator, which was limited to samples a few centimeters in size. However, developing devices suitable for human examination proved to be more challenging than anticipated, resulting in large, heavy, and costly constructions.
In a significant breakthrough in 2018, the team led by Professor Volker Behr and Patrick Vogel discovered a new method to implement the intricate magnetic fields required for imaging in a much smaller design. Through a multi-year research project supported by the German Research Foundation (DFG), the scientists successfully integrated this novel concept into an MPI scanner (known as interventional Magnetic Particle Imaging – iMPI) explicitly tailored for intervention purposes. This advancement opened up exciting possibilities for more accessible and practical applications of MPI in medical settings.
According to Vogel, “Our iMPI scanner is incredibly compact and lightweight, making it highly portable for use almost anywhere.” The authors effectively demonstrated this scanner’s mobility through a real-time measurement conducted simultaneously with a specialized X-ray device, the standard tool for angiography in university hospitals. The team, led by Professor Thorsten Bley and Dr. Stefan Herz from the Interventional Radiology Department of Würzburg University Hospital, has been involved in this project from its inception. They performed the measurements on a lifelike vascular phantom and assessed the initial images.
Dr. Stefan Herz, the senior author of the publication, remarked, “This marks an essential initial stride towards radiation-free intervention. MPI holds the potential to revolutionize this field permanently.
Next steps in research
Apart from conducting more thrilling measurements with the iMPI device, the two physicists are currently dedicated to advancing the development of their scanner even further. Their primary objective is to enhance the image quality significantly.
Journal Link: Scientific Reports
Source: University of Würzburg
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Lifestyle
Finding Clinical Trial Resources

(Family Features) If you have Crohn’s disease or ulcerative colitis, a clinical trial may be an option for you. Clinical trials are necessary for finding new ways of preventing, detecting or treating these diseases and others. To learn more about inflammatory bowel disease clinical research, visit crohnscolitisfoundation.org/clinical-trials-community and consider resources from the Crohn’s & Colitis Foundation that can provide information on types of clinical trials, what to expect when participating in a clinical study, questions to ask your doctor, stories from clinical trial participants, how to find a clinical trial and more.

SOURCE:
Crohn’s & Colitis Foundation
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Lifestyle
Harness the Power of Walking: Benefits of being physically active

(Family Features) A walk isn’t just good for your body; it’s a simple, powerful way to care for your mind and soul. Physical activity, like walking, reduces stress, boosts mood and promotes overall well-being. Yet physical activity levels in the United States continue to decline, a trend threatening both mental and physical health.
Less than half of adults and fewer than 1 in 5 children in the U.S. get the recommended amount of physical activity needed for heart health, according to the American Heart Association’s 2025 Heart & Stroke Statistical Update.
National recommendations call for children to get at least one hour of physical activity each day, but the latest statistics show less than 19% of children in the U.S. achieve that target. Meanwhile, less than half of adults get the recommended 150 minutes or more of weekly physical activity.
What’s more, according to data from a National Health and Nutrition Examination Survey, 1 in 4 U.S. adults sits for longer than eight hours each day, which can have negative consequences on physical and mental health.
For decades, the American Heart Association has championed the importance of physical activity in communities across the country through events like National Walking Day on Wednesday, April 2. These tips and information can help you understand how a brisk walk can make a world of difference for heart health and mental clarity.
Benefits of Physical Activity
Staying active is one of the best ways to keep your mind and body healthy.
The physical health benefits may be obvious, but research suggests physical activity can also help bring more joy to your life. According to the 2019 Physical Activity Guidelines for Americans, people who get the recommended amount of physical activity are less likely to experience depression.
Regular physical activity enhances your mood, sharpens your mind, improves sleep and boosts overall well-being, all while reducing the risk of disease and depression and increasing both the quality and longevity of life.
How to Be More Physically Active
Exercise as simple as a brisk walk can put a major spring in your step. It can even energize you to finish other tasks at hand, whether it’s cooking or running errands. Give your daily physical activity level a boost with these tips:
- Exercising outdoors is a great way to get moving. Spending time outdoors has been shown to reduce stress, promote a sense of belonging and improve mood. It’s even better if you can enjoy the sunshine outside, which can improve mood, boost your immunity and help you get some vitamin D.
- Invite a family member or friend along with you. It’s good for them, it’s good for you and it’s good company all around.
- Instead of wondering if you’ll move today, explore how you’ll move. A walk, a dance or a stretch all count.
Getting Pets Involved
Pets are part of your family, and they can help you get healthy together. Pets provide a fun reason to spend more time outside and get the exercise needed to reduce the risk of disease later in life.
Getting moving along with your pet adds more exercise to your routine, which means living longer, reducing risk of dying from heart attack or stroke, reducing risk of diabetes, reducing stress and even boosting your overall happiness and well-being.
Exercising with your pet can also mean enjoying more socializing. You may find yourself meeting other dog owners in your area on a walk or at the dog park.
Learn more about how simple habits like walking can support your overall health at heart.org/MoveMore.
Photos courtesy of Shutterstock
SOURCE:
American Heart Association
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Food and Beverage
Add This Superfruit to Your Menu for Heart-Healthy Meals: Make recipes nutritious and delicious with avocados

(Family Features) It’s no secret that adding greens to your menu – morning, noon and night – can go a long way toward healthier eating habits. While most people think of lettuce, kale, spinach, cucumbers and Brussels sprouts, don’t forget avocados are a superfruit you can use to add good fats and great taste to recipes throughout the day.
As a versatile fruit with naturally good fats and nearly 20 vitamins and minerals, avocados have become a household staple. Avocados From Mexico is a national supporter of the American Heart Association’s Healthy for Good Initiative – Eat Smart Program, encouraging people to incorporate a variety of fruits, vegetables and other heart-healthy foods into their meals.
By supporting this initiative, Avocados From Mexico is helping to raise awareness about the importance of making smart nutrition choices. The brand’s “Good Fats Meet Great Taste” campaign, featured at select Kroger locations, highlights the importance of balanced nutrition and fresh food choices as part of an overall heart-healthy lifestyle.
Avocados provide a good source of naturally unsaturated fats, which can be part of a heart-healthy eating pattern when consumed in place of saturated fats. A well-balanced diet that includes nutrient-rich foods like avocados, whole grains, lean proteins and fiber-rich vegetables can support overall heart health. In addition to good fats, avocados are also a good source of fiber, with 3 grams per one-third of a medium avocado.
If you’re looking for an easy yet tasty way to add more avocados to your family’s menu, this Avocado, Brussels Sprout, Kale and Date Salad provides a delicious introduction to the superfruit. Loaded with greens and fit for sharing with a crowd, you can do your part to bring avocados to your nearest and dearest, neighbors or anyone you’re hosting for a fresh, better-for-you meal.
The best part: This heart-healthy dish comes together in a snap. Just process the homemade dressing featuring dates, Dijon mustard and apple cider vinegar. Then toss Brussels sprouts, kale, red onion, pistachios and, of course, avocados before combining with the dressing.
Finally, serve with shaved Parmesan cheese on the side (so guests who prefer to avoid dairy can do so) and enjoy for a fresh meal that’s equal parts delicious and nutritious. Sliced avocados are the star of the dish, with naturally good fats and nearly 20 vitamins and minerals, making this an always good, super fun recipe and a way to begin making smarter food choices.
Discover more ways to add heart-healthy meals to your menu by visiting AvocadosFromMexico.com/avocado-nutrition.

Avocado, Brussels Sprouts, Kale and Date Salad
Servings: 8
Dressing:
- 1 tablespoon lemon juice
- 2 tablespoons apple cider vinegar
- 4 dates, pitted, softened
- 2 teaspoons Dijon mustard
- 1/4 cup olive oil
- 2 Avocados From Mexico, sliced
- 6 cups Brussels sprouts, shaved or shredded
- 3 cups lacinto (dinosaur) kale, shredded
- 1 cup red onion, sliced
- 1/2 cup pistachios (or pumpkin seeds), shelled
- reduced-fat (sharp) Parmesan cheese, shaved or grated, for topping (optional)
- To make dressing: In food processor, process lemon juice, apple cider vinegar, pitted dates and mustard. Slowly add olive oil to combine.
- To make salad: In large salad bowl, combine avocados, shaved Brussels sprouts, kale, red onion and pistachios. Drizzle salad dressing evenly over greens and toss until well-coated.
- Serve with shaved Parmesan cheese, if desired.
SOURCE:
Avocados From Mexico
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