May 27, 2022

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Drinking tea may improve heart and brain health, immune function, and reduces cancer risk, a study found. BONNINSTUDIO/Stocksy
  • During a recent symposium on the health benefits of tea, researchers from across the globe shared evidence suggesting that tea consumption may improve cardiovascular health, immune function, cognitive health, and reduce the risk of cancer.
  • The researchers noted that better quality evidence is needed to further establish these beneficial effects of tea consumption, including larger cohort studies and randomized clinical trials.
  • The researchers advocated that people incorporate 2-4 cups of unsweetened tea into the daily diet as a source of flavonoids, which are responsible to a large extent for these beneficial effects.

Leading scientists in the field of tea research recently met virtually at the Sixth International Scientific Symposium on Tea and Human Health to discuss the current state of knowledge and the gaps in understanding about the benefits of tea. Researchers discussed many topics at the symposium, which included the potential beneficial effects of tea on cardiovascular health, cognitive function, and the prevention of cancer.

The conference was organized by the Tea Council of the USA, the public relations arm of the Tea industry whose primary aim is to encourage greater tea consumption. It accomplishes this by furthering tea science and “establishing tea as a healthy, good for you beverage.”

Here is a breakdown of the main findings, and why it may be too early to draw definitive conclusions.

Tea is the second most consumed beverage in the world, after water. The four primary types of tea include white, green, Oolong, and black. All four teas are derived from the same plant, Camellia sinensis, but differ in how they are processed after harvesting.

Tea contains a wide array of components that have biological activity, including flavonoids, L-theanine, and caffeine. Many of the beneficial effects of tea are due to the high levels of flavonoids, such as catechins, which have antioxidative and anti-inflammatory properties.

The differences in the manufacturing process can influence the chemical composition and the beneficial effects of the different tea types. For instance, green tea is roasted before it can oxidize and hence, contains higher levels of catechins. In contrast, black tea is allowed to oxidize and has lower levels of catechins. Meanwhile, black tea contains larger amounts of other flavonoids called thearubigins and theaflavins, which also possess antioxidant properties.

A number of observational studies suggest that tea consumption is associated with improvements in cognitive function. A few small randomized controlled trials have suggested tea intake may result in short-term improvements in attention.

Each cup of tea contains about 35-60 mg of caffeine, which may contribute to the increase in attention and improvements in mood some people experience after consuming tea. Tea also contains theanine, which has been suggested to enhance attention while reducing anxiety and stress.

Researchers think that the presence of theanine and caffeine may potentially produce a simultaneous feeling of calmness while improving attention. In addition, limited evidence suggests

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For the uninitiated, seborrheic keratosis refers to noncancerous growths on the skin. These growths can look of different colors, including brown or black, and appear on any part of the body, more commonly on the neck and head. Contrary to what some people believe, seborrheic keratoses are not contagious or dangerous. In most cases, patients don’t need any treatment unless there are other symptoms. If you are unhappy with the way your skin looks, you can check online for Chevy Chase seborrheic keratosis clinics. In this post, we are sharing more on symptoms, treatments, and when to check with a doctor. 

Understanding the Symptoms

A seborrheic keratosis typically looks like an unusual growth, which often looks like a wart. It can appear on the face, chest, and neck. Some people just have one seborrheic keratosis, but most patients have many at once. The color can be black or brown, although light tan is also common. Usually, seborrheic keratosis looks round or oval in shape and kind of “raised”. You may want to consult a doctor if you have many seborrheic keratoses at once or the skin feels too itchy. Growths don’t usually cause pain, but if you don’t like the appearance or have bleeding, you need to seek medical attention. 

Getting Screened for Cancer

As we mentioned, seborrheic keratoses are not cancerous, and therefore, you may not have anything to worry about. However, sometimes people ignore signs of skin cancer, assuming that they have seborrheic keratosis. This is the precise reason why screening is important. If you have skin cancer running in your family, this is something that you should take seriously. While doctors aren’t sure what causes seborrheic keratoses, genes are suspected of having a role. Also, the condition often tends to be related to an older age. 


If your doctor finds that you don’t need treatment, you don’t have to worry about seborrheic keratosis. However, if there is unusual growth, or you are in discomfort, you may consider removal. Cryosurgery and electrosurgery are often used to remove seborrheic keratoses. In electrosurgery, the doctor will use an electric current to remove the growth. Curettage is also an option to scrape off seborrheic keratosis. 

Don’t hesitate to talk to a doctor if you have seborrheic keratoses. These growths can impact your appearance and can cause unexpected emotional turmoil. Cosmetic reasons are enough to consider removal, and for that, you need to check with a medical expert first.… Read More...

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