Green Tea: Your Daily Health Secret Unveiled

New research suggests that drinking tea, especially green tea, is linked to a lower risk of heart disease, obesity, diabetes, and several types of cancer. The findings, published on January 29, 2026, indicate that tea may also protect the brain and slow muscle loss in older adults.

Tea, derived from the Camellia sinensis plant, is rich in polyphenols like catechins, which are believed to be responsible for its health effects. While green tea has been extensively studied, less is known about black, oolong, and white teas.

Studies on green tea specifically show it may help lower blood pressure and improve cholesterol levels, contributing to lower rates of cardiovascular disease. It also supports weight management and diabetes control by aiding weight loss and improving metabolism.

For older adults, tea consumption is associated with slower cognitive decline and reduced biomarkers linked to Alzheimer's disease. It may also mitigate age-related muscle loss, enhancing strength and mobility.

However, researchers caution against processed tea drinks, such as bottled and bubble teas, which often contain added sugars and preservatives that can diminish tea's natural health benefits. Concerns were also raised about potential traces of pesticides, heavy metals, and microplastics, though these are generally considered low risk for most individuals.

Tea can interfere with iron and calcium absorption, a factor for vegetarians or those with specific nutritional needs. The researchers recommend prioritizing traditional teas over processed versions for moderate consumption to help protect against heart disease, diabetes, and cancer. More research is needed to fully understand long-term effects and the impact of contaminants.