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1912 advertisement for tea in the Sydney Morning Herald, describing its supposed health benefits. The health effects of tea have been studied throughout human history. In clinical research conducted over the early 21st century, tea has been studied extensively for its potential to lower the risk of human diseases, but there is no good scientific evidence to support any therapeutic uses other ...
Drinking three to four cups of black tea a day reduced the stroke risk by 29%, compared to three to four cups of green tea a day, which reduced the risk by 27%. View the original article on ...
Drinking more than four cups of caffeinated coffee in a day was associated with a lower risk for head and neck cancer, oral cavity cancer, and oropharyngeal cancers compared to not drinking coffee.
Herbal medicines are not necessarily safe and side-effect free; such medicines can have adverse effects. Human blood in veins is not actually blue. Blood is red due to the presence of hemoglobin; deoxygenated blood (in veins) has a deep red color, and oxygenated blood (in arteries) has a light cherry-red color.
A cloth face mask is a mask made of common textiles, usually cotton, worn over the mouth and nose.When more effective masks are not available, and when physical distancing is impossible, cloth face masks are recommended by public health agencies for disease "source control" in epidemic situations to protect others from virus laden droplets in infected mask wearers' breath, coughs, and sneezes.
“While green tea is generally safe, excessive consumption (over 3-4 cups per day) may cause side effects like insomnia, gastrointestinal distress, or liver damage due to high caffeine or ...
Overwarning is a related problem, where warnings are overlooked by people due to the sheer number of warnings, such as placing many safety signs together, redundant or obvious warnings. [21] Effectiveness can be reduced through conditions such as poor maintenance, placing a sign too high or low, or in a way that requires excessive effort to read.