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When consumed in moderation, caffeine can have many beneficial effects. However, over the course of several years, chronic caffeine consumption can produce various long-term health deficits in individuals. Among these, rodent studies have suggested caffeine intake may permanently alter the brain's excitability. [23]
The health effects of coffee include various possible health benefits and health risks. [ 1 ] A 2017 umbrella review of meta-analyses found that drinking coffee is generally safe within usual levels of intake and is more likely to improve health outcomes than to cause harm at doses of 3 or 4 cups of coffee daily.
Even doses of caffeine relating to just one cup of coffee can increase sleep latency and decrease the quality of sleep especially in non-REM deep sleep. A dose of caffeine taken in the morning can have these effects the following night, so one of the main practices of sleep hygiene a person can do is to cease the consumption of caffeine. [14]
Drinking coffee every day isn’t inherently bad, but Chester Wu, M.D., a psychiatrist and sleep specialist in Texas, says that coffee does have an impact on your health depending on how much you ...
A standard cup of coffee can contain anywhere from 95 to 200 mg of caffeine. That's a big range. The FDA cites 400 mg of caffeine per day "as an amount not generally associated with dangerous ...
Researchers set out to see if the time of day you drink coffee has any impact on heart health using information from over 40,000 adults who were surveyed about their consumption habits between ...
Caffeine was given before the task in doses ranging from 11.55 mg/kg to 92.4 mg/kg (the human equivalent of between 4 and 28, 8 oz cups of coffee). The next day, the mice were reintroduced into the apparatus and their delay in entering the dark box was measured.
Still, if coffee is a regular part of your morning (and afternoon, and night) routine, you can rest assured that you're doing your part for your body. If you're not a coffee drinker, start slowly ...