While coffee itself does not damage the kidneys, a cup left overnight can easily become contaminated with bacteria, spoil, and produce mold toxins, potentially leading to acute kidney failure.
Hai, 42, from Hanoi, frequently drinks coffee in the late afternoon for alertness, often on an empty stomach, prompting the question: is this practice safe?
Drinking coffee early in the morning is recommended to prevent caffeine accumulation from causing nighttime insomnia, a key contributor to increased cortisol and long-term health issues.
While egg coffee can provide protein, it often contains high levels of sugar and saturated fat, and poses a potential risk of bacterial infection if eggs are not thoroughly cooked.
Drinking coffee on an empty stomach immediately after waking can constrict blood vessels and cause a sudden spike in blood pressure. This is especially detrimental for individuals over 40, those with hypertension, or those experiencing chronic sleep deprivation.
A method combining green tea and coffee helped a Japanese endocrinologist lose 25 kg in just over 10 months; however, experts advise against this approach for some individuals.
Drinking coffee immediately upon waking, skipping breakfast, or adding excessive sugar and heavy cream are common mistakes that can diminish coffee's benefits.
