Articles tagged with Nutritional Physiology
A New Zealand study found that three-quarters of long-term vegans met daily total protein requirements, but only half met daily lysine and leucine requirements. Legumes and pulses were key contributors to overall protein and lysine intake.
A study published in JAMA Cardiology found that legislation to reduce sodium in processed food in South Africa is linked to significant declines in blood pressure levels. The reduction in sodium intake has been associated with lower rates of cardiovascular disease mortality and stroke, potentially saving millions of lives globally.
A study found that intermittent fasting increases sex drive in male mice by lowering serotonin levels, which is linked to tryptophan deficiency. The researchers suggest that similar mechanisms may exist in humans and view fasting as a potential approach for treating low libido.
A recent study using mice found that chronic sucrose consumption disrupts physiological processes, leading to diseases such as diabetes and obesity. The small intestine plays a key role in this process, causing an imbalance in glucose uptake and nutrient absorption.
A new classification system classifies dietary fibres into five key features, providing a more nuanced understanding of their health impacts. The researchers argue that current classifications are simplistic and do not capture the diverse structures and complex mechanisms through which dietary fibres influence human physiology.
Complimentary press passes are available for NUTRITION 2025, exploring cutting-edge research on nutrition and public health. Media professionals can attend in person or access virtual newsroom materials before the meeting.
A large-scale study examined the relationship between nutrients and sleep using data from people who used mobile applications to track their eating and sleeping habits. The results showed that participants with high protein, monounsaturated fatty acid, and polyunsaturated fatty acid intake had improved sleep outcomes.
Researchers found that teens with obesity consumed more calories in the late afternoon and early evening compared to their peers of healthy weight. The study, published in PNAS, demonstrates that the body's biological clock directly impacts food intake throughout the day.
Researchers at the University of Sydney recommend adopting a primarily plant-centric fibre-rich diet to enhance overall health and longevity. The plan involves incorporating more plant-based meals into one's diet, starting with two days a week and increasing to five days as recommended by Professor Luigi Fontana.
Researchers developed a 3D microscopic version of the human intestines on a chip, allowing for real-time examination of gut microbes' interactions with the human intestine. The 'Gut-Microbiome on a chip' model enables the study of complex interplay between gut microbes and health, facilitating targeted microbiome-based interventions.
A recent study by Murdoch University reveals that moderate-intensity exercise significantly influences appetite-related hormones and perceptions in males with obesity. The study confirms the benefits of incorporating regular exercise into daily routines for weight management and overall health improvement.
Researchers at the Leibniz Institute for Food Systems Biology found that fava bean protein nanofibrils alter the activity of receptor genes and interact with cell membranes, influencing texture perception. The study aims to develop sensorially appealing plant-based foods with improved texture.
A recent study from the University of Guam found that cycad cotyledons contribute to successful seedling growth through photosynthesis. The research reveals a robust cotyledon strategy for improving seedling persistence and biodiversity in competitive forest communities.
A study by DGIST researchers found that Piezo channels detect food accumulation and trigger swallowing behavior in C. elegans. The discovery sheds light on the fundamental question of how internal sensations regulate food intake and may provide clues for treating digestive disorders.
Researchers at Tokyo University of Science found that kaempferol increases RALDH2 levels in dendritic cells, promoting regulatory T-cell development and reducing inflammation. The study suggests that flavonoids like kaempferol may serve as natural remedies to alleviate allergic symptoms.
Researchers found a 28% decline in social acceptability of drinking sugar-sweetened beverages, with attitudes changing after tax increases and media attention. The shift in social norms has major implications for public health efforts.
A new study found that changes in the gut environment influence the composition and activity of gut bacteria. The study involved swallowing a capsule with pH sensors through breakfast, revealing unique gut environments and travel times among individuals. This may help explain individual differences in digestion, nutrient uptake, and bo...
Researchers discovered a new component of the peripheral nervous system that acts by increasing energy metabolism in the body. This finding paves the way for simpler and cheaper drugs to control obesity and weight gain.
Researchers discovered genetic variation in sucrose digestion affects sugar consumption and preference. Individuals with complete SI gene deficiency consumed less sucrose-rich foods than those with partial functionality.
Researchers from UT Arlington sequenced RNA genes of pythons, discovering conserved pathways in humans that are activated uniquely by these snakes. This knowledge helps explain intestinal regeneration and metabolism changes, offering potential therapeutic targets.
Researchers propose a model that examines the complex relationships between children's appetite regulation and environmental influences. The study suggests that temperamental characteristics play a significant role in shaping children's eating behaviors and provide guidelines for better understanding childhood appetite self-regulation.
A team of researchers has developed strategies to identify regulators of intestinal hormone secretion, which could lead to new treatments for metabolic and gut motility disorders. They used human organoids to study the function of 'nutrient sensors' on hormone-producing cells in the gut.
Scientists at IOCB Prague have developed a new compound that suppresses appetite and protects the brain against Alzheimer's disease. The modified molecule, derived from the neuropeptide CART, is effective in reducing pathology associated with Alzheimer's.
A recent study published in Environment International found that high levels of tellurium exposure are associated with increased blood pressure and a greater occurrence of hypertension. Tellurium, a contaminant transferred from mining and manufacturing activities, can be present in foods such as cereals and legumes.
A special issue of the Journal of the Academy of Nutrition and Dietetics explores the effects of various fasting regimens on body weight, cardiometabolic disease risk, and sleep. The study found that time-restricted eating can result in clinically meaningful weight loss and reduction in liver enzymes in adolescents with type 2 diabetes.
A collaborative effort between The Academy of Breastfeeding Medicine and Reaching our Sisters Everywhere identified key components of a successful breastfeeding journey as defined by parents and families. The findings aim to inform research priorities and promote patient-centered outcomes in infant and young-child feeding.
A study reveals that the gene SH2B1 controls feeding and energy expenditure, with mutations associated with obesity and metabolic diseases. Enhancing SH2B activity may offer a promising treatment for obesity and related conditions with fewer side effects.
A study published in Gut reveals that specific bacteria in the gut are involved in compulsive eating and obesity, with a beneficial bacterium called Blautia showing protective effects. The research also highlights the role of microRNAs in food addiction and suggests potential new treatments involving beneficial bacteria and dietary sup...
At NUTRITION 2024, researchers will explore emerging findings on the role of diet in cancer risk and survivorship, as well as personalized dietary therapy for cancer treatment and survivorship. Scientists will also share insights into precision nutrition, environmental sustainability, and infant feeding practices, shedding light on the...
Scientists at University of Pittsburgh show that limiting glutamine and serine intake can halt disease progression in rodent models. The findings suggest a potential new therapy for patients with pulmonary hypertension, offering hope for improved treatment options beyond medications.
The American Society for Nutrition's NUTRITION 2024 will bring together thousands of experts to share emerging scientific and policy developments in food, nutrition, and public health. Over 1,600 original research studies will be presented during the meeting.
Researchers at Max Planck Institute for Biological Intelligence have discovered a brain circuit that inhibits food intake during nausea. The circuit involves special nerve cells in the amygdala, which send appetite-suppressing signals to distant brain regions, resulting in a loss of appetite.
A new study confirms a novel natural supplement prevents postpartum blues and reduces symptoms of depression after giving birth. The supplement, developed at CAMH, involves a patented combination of natural ingredients that support healthy mood and brain function.
The American Society for Nutrition is offering complimentary press passes to its annual flagship meeting, NUTRITION 2024. The event will explore cutting-edge advances in nutrition research, practice, and policy.
A European randomized controlled trial found that replacing sugar with sweeteners improved weight loss control for at least one year after rapid weight loss in adults. The study also showed greater diet satisfaction and lower cravings for sweet foods among participants who consumed low/no-energy sweetened products.
Researchers found that daily cranberry extract consumption for 28 days improved running speeds by 1.5% and reduced post-exercise blood lactate levels. The study also showed increased muscle oxygenation rates and slower deoxygenation.
Frequent consumption of ultra-processed foods in the US diet is associated with increased rates of colorectal cancer and other gastrointestinal diseases. This may be attributed to additives such as emulsifiers that can disrupt the balance of gut microbiota, leading to disease promotion.
A Mediterranean diet has been found to be a straightforward and effective approach for improving IVF success rates, with high intakes of fruits, vegetables, whole grains, and omega-3 fatty acids. The diet's benefits were seen in both embryo development and pregnancy outcomes, even after just six weeks of implementation.
Research from the Journal of Nutrition Education and Behavior found that poor diet quality among adolescents is associated with cardiometabolic risk factors, including obesity and related diseases. The study suggests that promoting nutrition knowledge is necessary to prevent these health risks.
A new study published in the Journal of Nutrition found that consuming whole food omnivorous meals with lean beef resulted in significantly higher muscle protein synthesis rates compared to isocaloric and isonitrogenous vegan meals. The research, conducted on healthy older adults, demonstrated a 47% increase in muscle protein synthesis...
Researchers at University of California - San Francisco find that sense of taste signals brain to slow down eating. Using advanced techniques, they recorded brain activity in awake mice and found PRLH neurons controlled by mouth signals when eating normally, not gut signals as previously thought.
Researchers at University College London found that a hunger hormone produced in the gut directly impacts activity of the brain's hippocampus when considering food. The study showed that ghrelin receptors play a crucial role in controlling an animal's instinct to eat, with implications for understanding eating disorders and human health.
Researchers at Texas A&M University have found a correlation between flavonoid compounds and reduced endometriosis symptoms. Flavonoids like Quercetin and Kaempferol show promise in easing inflammation, with studies suggesting they may help suppress the symptoms of inflammatory diseases like endometriosis.
A new study at Aston University shows that children aged four and above consume 79% more calories when they are bored compared to a neutral mood. Children who were emotionally fed often ate five times more kilocalories when feeling bored.
Research at Aston University identified four eating behavior patterns in children: 'avid', 'happy', 'typical', and 'fussy'. Children with 'avid' eating behaviors are more likely to be overweight or obese, while caregivers' feeding practices vary significantly across the four categories. The study aims to provide tailored advice for par...
A study reveals that variable C:N:P ratios of phytoplankton are essential for regulating dissolved oceanic nutrient ratios, while also influencing atmospheric CO2 levels on geological time scales. The findings challenge the commonly hypothesized strong link between phytoplankton and seawater nutrient ratios.
A genome-wide association study reveals 34 genes potentially involved in choosing a vegetarian diet, including those related to lipid metabolism and brain function. The findings suggest that genetics play a role in the ability to subsist on a vegetarian diet.
A study published in The Journal of Physiology found that exercise suppresses hunger by acting on hormones and metabolites. Researchers suggest that understanding these mechanisms could lead to new treatments for obesity.
A new study found that mussels can adjust their heart rate and clearance rate in response to elevated temperatures, showing they can persist and recover from marine heatwaves. This ability may help maintain normal functioning of the circulatory system and benefit other organisms in coastal ecosystems.
Despite recent advances in obesity research, governments struggle to curb rising rates, with experts identifying key unanswered questions about the causes of obesity. The intricacies of body weight regulation, energy demand sensing, and environmental factors are still unclear, highlighting the need for continued research.
Research from UCLA's David Geffen School of Medicine found that living in a disadvantaged neighborhood can disrupt brain information processing involved in reward, emotion regulation, and cognition due to poor diet and lack of physical activity. The study analyzed the microstructure of the brain cortex and found associations between ne...
The protein leverage hypothesis proposes that a decrease in protein intake due to modern diets drives increased energy consumption. Research supports this idea, showing how protein appetite interacts with processed foods and life stage changes to increase the risk of obesity.
Researchers have uncovered almost 500 genes linked to diet, shedding light on genetic basis of food preferences. The findings suggest a potential for using genetics to develop precision nutrition strategies tailored to individual tastes.
Researchers found melatonin reduces chilling injury symptoms and membrane leakage in cold-stored fruits and vegetables, maintaining freshness. Melatonin is a safe alternative to hazardous chemical treatments without adverse effects on consumer health.
Fetuses use a copy of a gene inherited from their dad to force their mum to release as much nutrients possible during pregnancy. This 'remote-control' system is operated by genes that can be switched on or off depending on whether they are a 'dad's' or 'mum's' gene.
Researchers found that bitter taste receptors can detect and respond to bile acids, which are produced in the liver and play a crucial role in fat digestion. The discovery suggests that bitter taste receptors may have evolved not only to detect food toxins but also to sense endogenous substances.
A new study published in the International Journal of Sport Nutrition and Exercise Metabolism found that ketone supplements impaired performance in well-trained endurance cyclists. The researchers recruited experienced athletes who cycled for five or more hours per week, simulating race conditions before conducting a 20-minute time trial.
Researchers found that providing stunted children with nutrient supplements can reverse impaired development and improve their growth. The study's findings suggest that milk-based supplements are beneficial, but a plant-based alternative is equally effective.
NUTRITION 2023 will cover the latest developments in nutrition science, with over 1,800 original research studies submitted for presentation. The event brings together nutritional professionals from around the globe to discuss key topics such as sustainable diets and their impact on health.
Researchers at Anglia Ruskin University found that a portable breath test can detect changes in metabolism in response to diet. The study used the Lumen device to monitor metabolic fuel use at home and showed that it could detect acute changes in carbohydrate use, but was not sensitive on a day-to-day basis.