health and wellness
Scientists uncover how fermented-food bacteria can guard against depression, anxiety
Newswise — University of Virginia School of Medicine researchers have discovered how Lactobacillus, a bacterium found in fermented foods and yogurt, helps the body manage stress and may help prevent depression and anxiety. The findings open the door to new therapies to treat anxiety, depression and other mental-health conditions.
The new research from UVA’s Alban Gaultier, Ph.D., and collaborators is notable because it pinpoints the role of Lactobacillus, separating it out from all the other microorganisms that naturally live in and on our bodies. These organisms are collectively known as the microbiota, and scientists have increasingly sought to target them to battle disease and improve our health. UVA’s new research represents a major step forward in that effort, providing scientists an innovative new approach to understand the role of individual microbes that could facilitate the development of new treatments and cures for a wide variety of diseases, both mental and physical.
“Our discovery illuminates how gut-resident Lactobacillus influences mood disorders, by tuning the immune system,” said Gaultier, of UVA’s Department of Neuroscience, the Center for Brain Immunology and Glia (BIG Center) and the TransUniversity Microbiome Initiative. “Our research could pave the way towards discovering much-needed therapeutics for anxiety and depression.”
The Microbiota and Depression
Our guts are naturally home to countless bacteria, fungi, and viruses. There are more microorganisms living in and on us than there are cells in our bodies. That may sound disgusting, even alarming, but scientists have increasingly realized that these tiny organisms and their endless interactions are critical to our immune systems’ health, our mental health, and many other facets of our well-being. Disruptions of the microbiota, whether from illness, poor diet, or other causes, are known to contribute to many diseases and even help cancer spread. So, researchers have been hugely excited in recent years about the potential to battle diseases by targeting the microbiota.
Early attempts to manipulate the gut flora with beneficial bacteria, called probiotics, have produced mixed results. A big part of the problem has been the sheer complexity of the microbiome. It’s estimated that there are 39 trillion microorganisms inside each of us, so trying to understand what specific bacteria or fungi do – much less how they interact with all the other microorganisms and their host – can be like trying to count grains of sand on the beach.
Gaultier and his team took an innovative approach to hone in on Lactobacilli in specific. Prior research from Gaultier’s lab suggested that the bacteria could reverse depression in lab mice – a hugely promising finding. But the researchers needed to understand how.
“We were aware from our prior research that Lactobacillus was beneficial in improving mood disorders and was lost following psychological stress, but the underlying reasons remained unclear, primarily due to the technical challenges associated with studying the microbiome.”
Gaultier and his team decided to continue their depression research using a collection of bacteria, known as Altered Schaedler Flora, which includes two strains of Lactobacillus and six other bacterial strains. With this rarely used bacterial community, the team was able to create mice both with and without Lactobacillus,circumventing the need for antibiotics.
Sure enough, the Altered Schaedler Flora produced exciting results. Gaultier and his colleagues were able to explain exactly how Lactobacilli influence behavior, and how a lack of the bacteria can worsen depression and anxiety. Lactobacilli in the family Lactobaccillacea, they found, maintain the levels of an immune mediator called interferon gamma that regulates the body’s response to stress and helps stave off depression.
Armed with this information, researchers are poised to develop new ways to prevent and treat depression and other mental-health conditions in which Lactobacillus plays an important role. For example, patients struggling with (or at risk for) depression might one day take specially formulated probiotic supplements that will optimize their levels of helpful Lactobacillus.
“With these results in hand, we have new tools to optimize the development of probiotics, which should speed up discoveries for novel therapies,” said researcher Andrea R. Merchak, Ph.D. “Most importantly, we can now explore how maintaining a healthy level of Lactobacillus and/or interferon gamma could be investigated to prevent and treat anxiety and depression.”
Findings Published
The UVA scientists have published their findings in the journal Brain Behavior and Immunity. The research team consisted of Merchak, Samuel Wachamo, Lucille C. Brown, Alisha Thakur, Brett Moreau, Ryan M. Brown, Courtney Rivet-Noor, Tula Raghavan and Gaultier. The researchers have no financial interest in the work.
The work was supported by the National Institutes of Health, grants T32 NS115657, T32 GM008136, F31 AI174782, T32 GM007267 and T32 GM148379; the Owens Family Foundation; the Miller Family; the UVA TransUniversity Microbiome Initiative; and the UVA Presidential Fellowship in Neuroscience.
UVA’s TransUniversity Microbiome Initiative, or TUMI, serves as the central hub for the University’s cutting-edge microbiome research. The initiative aims to expand our understanding of the microbiome to better treat and prevent disease.
To keep up with the latest medical research news from UVA, subscribe to the Making of Medicine blog at http://makingofmedicine.virginia.edu.
Source: University of Virginia Health System
Our Lifestyle section on STM Daily News is a hub of inspiration and practical information, offering a range of articles that touch on various aspects of daily life. From tips on family finances to guides for maintaining health and wellness, we strive to empower our readers with knowledge and resources to enhance their lifestyles. Whether you’re seeking outdoor activity ideas, fashion trends, or travel recommendations, our lifestyle section has got you covered. Visit us today at https://stmdailynews.com/category/lifestyle/ and embark on a journey of discovery and self-improvement.
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Lifestyle
A Leading Cause of Vision Loss is Flying Under the Radar
While many in this demographic are mindful of conditions like osteoporosis, Alzheimer’s disease and diabetes, a leading cause of vision loss is flying under the radar, according to survey results included in the Visionary Report from the eye care experts at Bausch + Lomb.
(Family Features) The number of Americans 65 years of age and over continues to rise, according to the United States Census Bureau.
Vision Loss
While many in this demographic are mindful of conditions like osteoporosis, Alzheimer’s disease and diabetes, a leading cause of vision loss is flying under the radar, according to survey results included in the Visionary Report from the eye care experts at Bausch + Lomb. The results of the report identify blind spots in Americans’ understanding and awareness of a stealth eyesight stealer: Age-related Macular Degeneration (AMD).
AMD is a progressive eye condition that impacts central vision and is a leading cause of vision loss for those over age 50 and a leading cause of blindness for the 65-plus population, according to the Centers for Disease Control and Prevention. The condition impacts central vision and occurs when the macula – the part of the eye that controls sharp, straight-ahead vision – is damaged over time, causing people to have difficulty seeing faces, reading, driving or doing close-up work like cooking, according to the National Eye Institute (NEI).
Most notably, the survey of more than 2,000 adults in the United States, conducted by The Harris Poll on behalf of Bausch + Lomb, found 81% of adults would be willing to give up $1 million or other comforts like listening to music if it meant never losing their eyesight. Despite this clear prioritization of the ability to see, only 37% of those surveyed over the age of 50 know AMD is a leading cause of vision loss for Americans.
Additionally, 62% of those surveyed who are 50 years of age and older are worried about losing their eyesight as they age. Still, true understanding of the condition is blurry as 61% aren’t aware a dilated eye exam is needed to diagnose AMD. Less than half are aware that vitamins or supplements may help reduce the risk of progression of AMD in some patients.
“As a practicing physician, I find the data in the Visionary Report alarming but also very helpful,” said Rishi Singh, M.D., staff physician, Cleveland Clinic Florida, and president, Cleveland Clinic Martin North and South Hospitals. “The findings underscore the need to take time to educate and empower aging Americans who are vulnerable to AMD and are clearly lacking a full understanding of the risk factors.”
While AMD can lead to blindness and does not yet have a cure, there are steps patients can take as part of a plan created with their doctors to reduce their risk of progression. Those steps include visiting an eye care professional for an annual dilated eye exam – the only way to diagnose and check the progression of AMD – quitting smoking, exercising regularly and maintaining a healthy diet.
Patients should also talk to their doctors about taking a vitamin based on the AREDS2 study conducted by the NEI. Researchers tested and refined the AREDS formula for more than 20 years.
To learn more about the survey findings and the steps you can take to help protect your vision, visit SightMatters.com.
PV2.0117.USA.22
Source: Bausch + Lomb
Photo courtesy of Getty Images
SOURCE:
Bausch + Lomb
Our Lifestyle section on STM Daily News is a hub of inspiration and practical information, offering a range of articles that touch on various aspects of daily life. From tips on family finances to guides for maintaining health and wellness, we strive to empower our readers with knowledge and resources to enhance their lifestyles. Whether you’re seeking outdoor activity ideas, fashion trends, or travel recommendations, our lifestyle section has got you covered. Visit us today at https://stmdailynews.com/category/lifestyle/ and embark on a journey of discovery and self-improvement.
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Lifestyle
6 Tips to Improve Sleep Quality for Overall Well-Being
(Family Features) Despite a rising number of people searching for the term “sleep” in 2023, nearly 1 in 3 U.S. adults report not getting enough of it, per the Centers for Disease Control and Prevention.
The Quality of Sleep
As a foundation for overall well-being, getting quality sleep is key to achieving goals and being present in daily life. Without it, you’re more likely to lack the stamina and energy to follow through on your ambitions.
To help people realize the foundational role sleep plays in everyday successes, Natrol – a leading sleep, mood and stress supplement brand based on Nielsen data – alongside Dr. Jess Andrade are working together to help people improve their sleep quality and habits so they can conquer their wellness goals this year and beyond.
“From consistent exercise to eating healthy and even daily journaling, it may seem like all your priorities are in order, but without sleep, you won’t be able to reap the full benefits of your hard work,” Andrade said. “Often overlooked, getting quality sleep is a fundamental piece to improving overall wellness and it doesn’t have to be complicated. Creating small, achievable changes in our daily sleep routines can lead to long-lasting lifestyle habits for the better.”
Consider these tips from Andrade to help improve your sleep quality so you can achieve your goals.
1. Prioritize Movement and Light Exposure in the Morning
Whether you’re a yogi or prefer a simple stretch when your feet hit the floor, movement and light during the day can help stimulate quality sleep later that night.
2. Understand Sleep Gains are Just as if Not More Important Than Gym Gains
If you’re focusing on fitness goals, you’ll need adequate sleep to see successful results. If you’re a morning workout warrior, schedule earlier bedtimes to ensure you get the recommended 7-8 hours of sleep. For evening workouts, aim to end your sweat session as early in the evening as possible; too much physical activity before bed can keep you up at night.
3. Make Your Bedroom a Sanctuary
Make your bedroom a sleep sanctuary. Keep the room dark, noise-free, and comfortable with the thermostat set at 65-67 F for better sleep conditions.
4. Set Nightly Rituals to Unwind
Create nightly rituals that activate circadian rhythms and allow your body to unwind. Consider activities that relax you the most, like taking a bath, reading a book, journaling or sipping decaffeinated nighttime tea.
5. Try Incorporating a Drug-Free Sleep Aid
If you follow good bedtime habits but still occasionally struggle to fall or stay asleep, try a low-milligram melatonin supplement, like those from Natrol, that are designed to help you get a good night’s sleep so you wake up refreshed and ready to conquer your goals.†
6. Follow the 10-3-2-1-0 method
To help you fall asleep and wake up feeling revitalized, Andrade recommends the 10-3-2-1-0 method: Decrease caffeine intake at least 10 hours before bed. Avoid eating bothersome foods 3 hours prior to heading off to sleep. Engage in relaxing activities like reading at the 2-hour mark and cut out screentime with 1 hour to spare. Ultimately, these habits can lead to zero times hitting snooze the next morning.
Find more ways to improve sleep habits by visiting Natrol.com.
† These statements have not been evaluated by the Food and Drug Administration. These products are not intended to diagnose, treat, cure, or prevent any disease.
SOURCE:
Natrol
Our Lifestyle section on STM Daily News is a hub of inspiration and practical information, offering a range of articles that touch on various aspects of daily life. From tips on family finances to guides for maintaining health and wellness, we strive to empower our readers with knowledge and resources to enhance their lifestyles. Whether you’re seeking outdoor activity ideas, fashion trends, or travel recommendations, our lifestyle section has got you covered. Visit us today at https://stmdailynews.com/category/lifestyle/ and embark on a journey of discovery and self-improvement.
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Health
10 Simple Changes You Can Make Today for Improved Health and Wellness
Improve your health and wellness with these simple changes to your daily routine.
Boost Your Wellbeing with These Easy Tips
Living a healthy lifestyle is important for our physical and mental well-being, but sometimes it can be overwhelming to know where to start. However, there are simple changes that we can make to our daily routines that can have a big impact on our health and wellness. Here are 10 simple changes you can make today to improve your health and wellness.
- Drink more water: Staying hydrated is key for our body’s systems to function properly. Aim for at least 8 glasses of water a day.
- Add more fruits and vegetables to your diet: Fruits and vegetables are packed with nutrients and antioxidants that can help protect against diseases. Aim for at least 5 servings a day.
- Move more: Regular exercise is important for maintaining a healthy weight, reducing stress, and improving overall health. Find activities that you enjoy and aim for at least 30 minutes of physical activity a day.
- Get enough sleep: Sleep is essential for our body to heal and regenerate. Aim for 7-9 hours of sleep each night.
- Reduce stress: Chronic stress can have negative effects on our physical and mental health. Find activities that help you relax and reduce stress, like meditation or yoga.
- Practice good hygiene: Good hygiene practices like washing your hands regularly and showering daily can help prevent the spread of germs and illnesses.
- Limit alcohol intake: Drinking too much alcohol can have negative effects on our liver and overall health. Limit your intake to no more than 1-2 drinks per day.
- Quit smoking: Smoking is a major cause of many diseases and can have negative effects on our health. Quitting smoking is one of the best things you can do for your health.
- Wear sunscreen: Protect your skin from the harmful effects of the sun by wearing sunscreen with at least SPF 30, especially when spending time outdoors.
- Connect with others: Social connections are important for our mental health and well-being. Make an effort to spend time with friends and family, or find a community group that interests you.
Making these simple changes to your daily routines can have a big impact on your health and wellness. Remember that small steps can lead to big changes. Start with one or two changes and gradually add more as you feel comfortable. With time, these habits will become a natural part of your daily routine, helping you to live a healthier and happier life.
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