# Health risks of dietary beverage and supplement consumption > Developing situation record from CLSTR: https://clstr.news/situations/health-risks-of-dietary-beverage-and-supplement-consumption > Updated: 2026-10-30T15:16:00.000Z. Sources: 5. Developments: 2. Medical experts have issued warnings regarding the potential health impacts of various dietary habits and substances. Nephrology specialists, including Prof. Dr. Aydın Türkmen of the Turkish Kidney Foundation, have highlighted risks associated with unregulated herbal teas and dietary supplements. These products, such as green tea, hibiscus, licorice, and senna, may affect blood pressure, potassium levels, and fluid balance. There are also concerns regarding contamination from heavy metals, pesticides, or undeclared pharmaceutical ingredients. Research has also linked certain artificial sweeteners, such as aspartame, saccharin, and erythritol, to an increased rate of cognitive decline. Additionally, experts warn that consuming tea at excessively high temperatures may irritate the esophagus, while over-brewing tea can increase levels of tannins and fluoride, potentially affecting kidney and digestive health. Regarding coffee, studies suggest that while morning consumption may be associated with lower mortality risks, individual effects vary based on caffeine sensitivity and preparation methods. ## Timeline ### 2026-10-30: Health experts warn of risks associated with tea and coffee consumption habits Experts advise caution regarding tea and coffee consumption, noting that high temperatures, long brewing times, and excessive sugar can pose health risks, while coffee's benefits remain subject to further study 2 sources. https://clstr.news/cluster/health-experts-warn-of-risks-associated-with-tea-and-coffee-consumption-habits ### 2026-10-30: Health experts warn of risks from herbal teas and artificial sweeteners Experts warn that unregulated herbal teas can damage kidneys, while a major study links six common artificial sweeteners to accelerated cognitive decline and memory loss. 3 sources. https://clstr.news/cluster/health-experts-warn-of-risks-from-herbal-teas-and-artificial-sweeteners --- Cite as: Health risks of dietary beverage and supplement consumption. CLSTR, https://clstr.news/situations/health-risks-of-dietary-beverage-and-supplement-consumption