overview: From improving attention and avoiding cognitive decline to improving immune system function, researchers are exploring many of the health benefits that tea must offer.
Source: Pollack Communications
Yesterday, leading nutritionists from around the world gathered to present the latest evidence to support the role of tea in promoting optimal health.
Symposium speakers are comprehensive in recent research on the benefits of tea consumption over human health, as new discoveries from the international scientific community consistently give confidence to the healthy properties of tea. Provided the latest information.
More than 159 million Americans drink tea daily as the second most consumed beverage in the world after water.
Dr. Jeffrey Branberg, an active professor emeritus at Tufts University’s Graduate School of Nutrition Science Policy and chair of the symposium, said: ..
“Genuine teas, including black, green, white, oolong and strong teas, can make a significant contribution to promoting public health. The evidence presented at this symposium is cancer, cardiometologic disorders, cognitive abilities, It reveals a variety of results, ranging from thought-provoking to compelling, about the benefits of tea to immune function. “
Chemistry in your cup
Tea contains flavonoids, a naturally occurring compound with antioxidant properties. Tea flavonoids provide bioactive compounds that help neutralize free radicals that can damage elements in the body such as genetics and lipids and contribute to chronic illness. Tea also contains L-theanine, an amino acid unique to tea.
Tea and immune function
“Tea may help support your immune system and increase your body’s resistance to illness,” said Dayong Wu, MD, Ph.D., Institute of Nutrition and Immunology, USDA Jean-Meyer Human Nutrition Research Center, Tufts University. Says.
“If you get sick, tea can help your body react to the illness in a more efficient way by removing the infection and also reduce its severity when they happen. maybe.”
In a comprehensive review of public data on this topic presented at the symposium, Wu said that green tea / catechin reduces the ability of the host to infect the host and aids the host’s immunity, allowing the host to work with a variety of pathogens. The system comes into play, concluding that it has been shown to help fight.
Green tea / catechins have also been shown to improve autoimmune disease by promoting self-tolerance, suppressing self-antigen-induced inflammatory attacks, and enhancing tissue remodeling.
Tea and cognitive function
When it comes to cognitive function, we have found that tea can be of great benefit. “There is strong evidence that tea and its ingredients appear to be beneficial under stressful conditions. The deepest cognitive areas where tea appears to be working are attention and arousal,” said University of Leeds Nutrition. Explains Dr. Louise Dye, a professor of behavior.
“The impact of these attentions makes tea the best beverage for stressful and burnout periods around the world.”
In her review of a published study on this subject, Dye briefly reported evidence from randomized controlled trials that tea intake was measured by objective tests such as the attention switching test. Revealed to support the conclusion that it may have an acute beneficial effect. Studies have consistently shown the beneficial effects of high doses of L-theanine and low doses of caffeine on the performance of attention tasks.
These findings indicate that the unique combination of caffeine and L-theanine in tea can improve attention.
Tea and prevention of cognitive decline
Prevention is key because there is no effective medication for dementia. It is estimated that 40-50% of dementia can be prevented by lifestyle changes.
In a review of published studies on tea and dementia, Dr. Jonathan Hodgson, a professor at the Institute of Nutrition at the University of Edithkowan, explains: Risk of vascular dementia and potentially Alzheimer’s disease. “
Recent high-quality data from a long-term prospective cohort study indicate that high tea intake (starting with 1 cup daily and ending with 5-6 cups daily) is associated with a reduced risk of dementia. It shows that. Data from these studies also find that moderate intake of flavonoids present in tea is associated with a reduced risk of cognitive decline.
The greatest benefits of tea can come from just 2-4 cups per day, but the higher the intake, the less additional benefits.
The results of these studies also suggest that the protection provided may be the most powerful for protection against vascular dementia, one of the most common forms of dementia.
Tea and cancer prevention
See also
When looking at existing data on tea and cancer prevention, increasing tea intake may reduce the risk of some cancers. There is evidence that tea flavonoids act through antioxidant, anti-angiogenic, and anti-inflammatory mechanisms and may alter the profile of the gut microbiota. Tea is a flavonoid-rich beverage and is a bioactive compound with some anti-carcinogenic properties in experimental studies. Suggestive evidence indicates that tea consumption may reduce the risk of biliary tract, breast cancer, endometrial cancer, liver cancer, and oral cancer.
“We need to do more research to determine the exact dose, but we can share the conclusion that increasing tea intake may reduce the risk of certain cancers,” the unit said. Said Dr. Raul Zamora-Ros, Principal Investigator. Nutrition and cancer research at IDIBELL.
Tea and cardiovascular health
According to census results, cardiovascular diseases such as diabetes and heart disease are the most common cause of death in the world, and tea consumption may be inversely correlated with adverse cardiovascular consequences.
Based on a wide variety of scientific research designs, two cups of unsweetened tea a day may reduce the risk and progression of cardiometabolic disease in adults.
In an extensive review of cardiovascular health and tea, studies show that daily tea intake has an average 1.5% lower risk of death from all causes and a 4% risk of death from cardiovascular disease (CVD). Low, with a 4% lower risk of CVD and stalk events.
“Looking at all the different biomarkers and mechanisms that tea influences, this rich beverage makes it easier for consumers to improve their diet, make them healthier and live longer,” said the principal. And CEO Dr. Taylor Wallace explains. Professor of Nutrition and Food Science at George Mason University at Think Healthy Group.
Tea and dietary guidance
There is a need for clearer recommendations in current US dietary guidance to support the growing evidence of tea as a health-promoting beverage. “There may be other herbal and botanical products that can bring health benefits, but none of them are as systematically studied as Camellia sinensis-true tea,” Dr. Mario Feruzzi said. Says Professor and Dean of the Faculty of Developmental Nutrition. Pediatrics, Arkansas Medical College.
“With real tea (white, green, black, oolong tea), we are dealing with thousands of years of traditional use, 60-70 years of systematic research, and in the last 15-20 years, we have I have very clear data. “
Dietary guidance provides consumers with a more accurate and relevant direction in relation to the variety of teas and other flavonoid-containing foods.
About this dietary and cognitive research news
author: Christina Diken
Source: Pollock Communications
contact: Christina Deecken – Pollock Communications
image: The image is in the public domain
Independent research: The findings will be presented at the 6th International Symposium on Tea and Human Health.
