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Green Tea Associated with Mental Alertness

Green tea has long been associated with a number of health benefits such as cancer and stress prevention, but a recent study has found that it can enhance a person’s memory.


Green tea rose to stardom and has been well-known all over the world since it was subjected to the glaring lights of the spotlight with the numerous studies conducted regarding its health benefits.  A study conducted by researchers from Japan revealed that drinking 5 cups of green tea in a day could significantly reduce one’s risk of developing different types of cancer by 50 percent.  Furthermore, consuming 5 cups of this beverage each day has also been associated with a reduction in the levels of stress according to the results of yet another study which was published in the American Journal of Clinical Nutrition.  While this may sound like too much, it is actually not – especially when you start drinking green tea instead of what you normally drink such as water after a run or coffee in the morning.

What Makes Green Tea Special?

The power behind green tea’s knockout punch is its very potent antioxidant content. The polyphenols that it contains are commonly referred to as catechins and these help combat and neutralize the damaging effects of free radicals.  Free radicals are by-products of oxidative processes and these are said to be the cause of different forms of health conditions such as cancer, premature aging and heart disease. Because of this, the catechin content of green tea is also able to boost a person’s immune system thereby promoting overall health. Aside from polyphenols, it also contains alkaloids and L-theanine which further contributes to green tea’s health benefits.

Green Tea for Mental Alertness

A study conducted in Korea revealed that taking green tea extract supplements can actually enhance a person’s memory and promote mental alertness. The results of the study which was published in the Journal of Medicinal Foods showed that green tea extract coupled with L-theanine was linked to improvement in general memory, as well as in a person’s immediate and delayed recall ability. Funding for the said study was provided by LG Household & Health Care, Ltd., a Korean company which also manufactured the ingredient which was utilized in the study.

The study involved ninety-one participants who were already diagnosed with mild level cognitive impairment, which is an important risk factor in the development of Alzheimer’s Disease.  The 91 participants were assigned randomly to receive either a placebo supplement made of lactose plus maltodextrin or 1,680 milligrams of a combination of L-theanine and green tea extract. The supplements were given for a period of 16 weeks.  After the said period, different tests were administered to the participants in order to assess attention levels and memory.  The results of the tests revealed that the group of participants who received the green tea extract plus L-theanine supplement showed signs of improved memory.  Electroencephalogram tests (EEG) also revealed improvements in mental alertness indicators in particular areas of the brain.

The researchers wrote that the use of LGNC-07, which is actually a combination of L-theanine and green tea extract, as a nutraceutical candidate used to enhance cognitive performance should be taken into account. However, the researchers believe that there is a need to conduct more studies to further investigate the ability of LGNC-07 to improve a person’s cognitive functions in order to establish its potential health benefit.

More Reasons to go for Green Tea

Much has been said about green tea – and for good reason.  It has been the subject of worldwide studies and there are facts to support its health claims.  There are a lot of life-threatening diseases that can be prevented simply by consuming sufficient amounts of green tea.  Aside from taking green tea in beverage form, you can also take it in the form of supplements.

Aside from green tea’s capability to help prevent cancer and promote mental alertness, there are other conditions that can greatly benefit from green tea consumption:

Hypercholesterolemia. This is a condition which is characterized by high levels of bad cholesterol in the blood. Excessive LDL levels are dangerous since the fatty plaques can deposit in the walls of blood vessels.  There will be a resultant narrowing of the blood vessels and blood flow will become turbulent in the specific area. Because of this, the fatty plaques may dislodge and may travel through the bloodstream.  The clot, now called an embolus, can lodge in small arteries such as in the brain causing a stroke, or in the lungs causing pulmonary embolism. Both conditions are life-threatening and necessary steps should be taken to ensure prevention.

Studies have shown that green tea can help raise the levels of good cholesterol and reduce bad cholesterol levels in the body. A study conducted on men revealed that those who drink green tea have lower LDL levels compared to those who do not. Furthermore, a study made in animals revealed that the polyphenols in green tea blocks cholesterol absorption in the intestines and aids in its secretion.

Diabetes. The condition is associated with complications that can significantly lead to a reduction in a person’s quality of life.  Common complications include retinopathy, nephropathy, cataracts, and diabetic foot which can lead to amputation. The good news is that green tea has been found to promote healthy blood sugar levels by properly regulating and lowering high sugar levels in the blood.

Obesity. Being obese is linked to the development of conditions such as stroke, heart attack and arthritis – and these are only some of those that are brought about by obesity. Because of its dangers, a lot of people are mightily trying to win the battle of the bulge. The fight to conquer and overcome obesity is still going on and some have resorted to taking diet pills.  However, the danger lies in the safety of the product that you are using.  Weight loss products may possess harmful adverse effects that can actually do harm than good, and this is why sticking to natural alternatives is the best decision you’ll ever make.

Green tea has been known to help promote weight loss in overweight and obese people because of its ability to burn fats due to its catechin content.  Several studies have revealed that the intake of green tea can help enhance a person’s metabolic rate.

Sources
nccam.nih.gov
livestrong.com
nutraingredients.com

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