And my answer is that, although there's a lot of data on the benefits of
moderate coffee intake, I try to save my cup of coffee for my midmorning lull since I find it to be too jarring for me first thing in the morning.
Not exact matches
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.
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.
The association has been studied in several different populations and the available research suggests that a
moderate intake of
coffee is associated with a lower risk of developing type 2 diabetes, compared to consuming none or less than 2 cups per day2,15 - 17.
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].
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].
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.
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.