In healthy persons,
moderate caffeine intake (< 400 mg / day) does not likely cause or increase the risk of cancer [2], dehydration [91,92], DNA errors (mutations)[2], electrolyte imbalance [91], elevated blood cholesterol [22], excessive sweating [103], heart disorders [22], high blood pressure [117], increased body temperature [93], inflammation [37] or stroke [94].
In general,
moderate caffeine intake (3 - 5 cups of coffee or up to 400 mg caffeine per day) does not seem to increase the risk of cardiovascular disease (heart attack or irregular heart rhythm) and cancer [191].
Scientific evidence shows that
moderate caffeine intake does not affect athletic performance (and can in fact slightly improve it) or hydration status, but alcohol consumption can interfere with muscle recovery from exercise, and negatively impact a number of other performance variables.
Scientific evidence shows that
moderate caffeine intake does not affect athletic performance (and can in fact slightly improve it), but alcohol consumption can interfere with muscle recovery from exercise, and negatively impact a number of other performance variables.
A moderate caffeine intake is considered to be about 250 milligrams per day, or two to three cups of coffee daily; most experts agree that a cup or two of java or iced tea — an hour before your daily walk, run, or workout session — can make the task seem easier.
Results from studies show that, while excessive caffeine intake (more than five 5 ounce cups of coffee per day) can cause the baby to be fussy and not able to sleep well,
moderate caffeine intake (fewer than five 5 ounce cups) usually doesn't cause a problem for most breastfeeding babies.
Not exact matches
It wasn't eliminated totally, but that's a good reason to keep your
caffeine intake regular as well as at
moderate levels.
The people have spoken: low to
moderate doses of
caffeine are considered to be generally safe and provide a great number of health benefits, though excessive
intake is a considerable health risk (especially in those with anxiety or heart disorders).
Consumption of up to 200 - 300 mg of
caffeine (~ 2 cups of coffee) per day is considered
moderate intake and of more than 500 - 600 mg (> 5 cups of coffee) per day heavy or excessive
intake [48,49].
The 2010 Committee Opinion of the American College of Obstetricians and Gynecologists stated that «
Moderate caffeine consumption (less than 200 mg per day) does not appear to be a major contributing factor in miscarriage;... a final conclusion can not be made as to whether there is a correlation between high
caffeine intake and miscarriage15.»
A 2010 meta - analysis which included nine studies which looked at the effects of coffee /
caffeine on different measures of cognitive impairment and / or decline (four studies on Alzheimer's disease; two on dementia or cognitive impairment; three on cognitive decline), found a reduced risk of cognitive decline across different measures of cognitive impairment (mean risk ratio 0.84) with
caffeine intake, with
moderate heterogeneity14.
Conclusions:
Moderate consumption of
caffeine was associated with reduced estradiol concentrations among white women, whereas caffeinated soda and green tea
intakes were associated with increased estradiol concentrations among all races.
Our finding corroborates the findings of previous studies (16, 20, 21) and suggests that even though
moderate caffeine and coffee
intakes may alter E2, these alterations are not within a range that affects ovulatory function.
You follow a diverse, plant - based diet,
moderate caffeine, and alcohol
intake, engage in some sort of physical activity daily (be that a brisk walk or barre class), and generally strive to do right by your body (and mind, and soul, of course).
Our results are in line with those of Choi et al's (43) finding that, despite lower E2 concentrations in women with
moderate to high
caffeine intake, the number of oocytes retrieved did not differ by
caffeine category.
To be fair, it was in the context of expanding the types of soft drinks that can have added
caffeine; so I suppose that some 4 - year - olds who have been guzzling 7 - UP might have to
moderate their
intake (or at least watch the label).