Tea News and Research

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Brewing up potential anti-cancer drugs from green tea

Drinking green tea has a protective effect against some forms of cancer but drinking large amounts can increase the risk of birth defects such as spina bifida – according to previous epidemiological studies.

15 Mar 2005

Green tea protects livers

A new study investigating the effects of the major flavonoid component of green tea on hepatic steatosis (fatty liver) found that it significantly protected livers that suffered ischemia/reperfusion (I/R) injury in mice. I/R injury, which is caused by decreased blood flow, can lead to complications after liver transplantation.

20 Feb 2005

Coffee consumption may be associated with a decreased risk of hepatocellular carcinoma

Two new studies in the February 16 issue of the Journal of the National Cancer Institute examine the effects of coffee consumption on the incidence of liver and colorectal cancers. One study found that drinking coffee daily is associated with a decreased risk of liver cancer, while the other found no association between drinking coffee or tea and the risk of colorectal cancer.

15 Feb 2005

Green tea extract has potential as an anti-cancer agent

A new study on bladder cancer cells lines shows that green tea extract has potential as an anti-cancer agent, proving for the first time that it is able to target cancer cells while leaving healthy cells alone.

15 Feb 2005

Green tea boosts exercise endurance

Now that even baseball players may need to seek new, more natural performance aids, will Japanese green tea sets become standard in dugouts and athletic training tables around the world?

8 Feb 2005

Instant tea may be a source of harmful levels of fluoride

The researchers found that some regular strength preparations contain as much as 6.5 parts per million (ppm) of fluoride, well over the 4 ppm maximum allowed in drinking water by the Environmental Protection Agency and 2.4 ppm permitted in bottled water and beverages by the Food and Drug Administration.

26 Jan 2005

Aircraft drinking water contaminated with bacteria

A second round of Environmental Protection Agency (EPA) testing shows that 17.2 percent of 169 randomly selected passenger aircraft carried water contaminated with total coliform bacteria.

19 Jan 2005

New filter promises clean water for millions

A handful of clay, yesterday’s coffee grounds and some cow manure are the simple ingredients that could bring clean drinking water to developing countries around the globe.

19 Jan 2005

Chamomile tea shown to boost the immune system and fight infections associated with colds

For centuries, people who’ve felt sick or stressed have tried drinking chamomile tea as a medicinal cure-all. Now, researchers in England have found new evidence that the popular herbal tea may actually help relieve a wide range of health ailments, including colds and menstrual cramps.

5 Jan 2005

Red meat consumption is an independent risk factor in the development of inflammatory arthritis

A chronic inflammatory disease of the immune system, rheumatoid arthritis (RA) has been linked to a combination of genetic and environmental factors.

2 Dec 2004

Concord grapes increase good cholesterol

Drinking Concord grape juice significantly increased HDL--the good cholesterol--and significantly lowered two markers of inflammation in people with stable coronary artery disease, according to results of a study presented in the November issue of the journal Arteriosclerosis, Thrombosis and Vascular Biology.

16 Nov 2004

Smoking and high salt intake, but not tea and alcohol, implicated in acid reflux

Smoking and a high dietary salt intake significantly increase the risk of acid reflux, but tea and alcohol, often thought to be culprits, seem to have little impact, finds a large study in Gut.

10 Nov 2004

Drinking regular cuppas could help improve your memory

Results of laboratory tests by a team from the University of Newcastle upon Tyne found that green and black tea inhibit the activity of certain enzymes in the brain which are associated with memory.

25 Oct 2004

Herbal, nutritional supplements linked to side effects ranging from dry eye to retinal hemorrhages and transient visual loss

An estimated 42 percent of Americans use herbal medicines or nutritional supplements. Many people taking these products and their physicians are unaware of the adverse reactions they can cause.

13 Oct 2004

One of the largest studies in the world looking at how caffeine in our diet may affect health

The study is particularly important because caffeine, found mainly in coffee, tea and cola, is 'the most widely consumed drug in the world', yet little is known about the amount of caffeine consumed in the UK and the implications for health.

12 Oct 2004

Discovery could lead to the creation of naturally decaffeinated coffee plants

Chemists at Emory University have made an important advance in harnessing the ability of bacteria to make new molecules, and their discovery could eventually lead to the creation of naturally decaffeinated coffee plants.

10 Oct 2004

Novel compound that resembles vitamin E halves the size of tumors and the ability of cancer to spread

By studying cancer in mice, researchers at The University of Texas at Austin have gained preliminary evidence that a novel compound that resembles vitamin E halves the size of tumors and the ability of cancer to spread to other body sites.

30 Sep 2004

As little as one standard cup of coffee a day can produce caffeine addiction

If you missed your morning coffee and now you have a headache and difficulty concentrating, you might be able to blame it on caffeine withdrawal.

29 Sep 2004

Hibiscus flowers contain antioxidants that help control cholesterol levels

Hibiscus flower extract may have the same health benefits as red wine and tea according to new research by scientists in Taiwan. Hibiscus contains antioxidants that help control cholesterol levels and reduce heart disease, says the research in Journal of the Science of Food and Agriculture.

14 Sep 2004

Herbals, surgery and anesthesia don't always mix

The woman who swears by gingko biloba wonders why her mouth won't stop bleeding after wisdom tooth surgery. What she doesn't know is that the herbal remedy she takes religiously to enhance mental alertness also acts as a powerful blood thinner that inhibits clotting.

10 Sep 2004