During 10 cycles over the years, those participants provided details of their dietary intake from the previous day. For morning coffee drinkers, the amount of caffeinated or decaffeinated coffee consumed didn’t matter, either — whether they drank less than one or more than three cups of coffee daily. The nature of the study also means it only establishes an association, not a causal relationship between morning coffee drinking and early death risk. Low levels of melatonin have been linked with higher levels of blood pressure and oxidative stress, and greater cardiovascular disease risk. Adjusting coffee intakeIf you want to start restricting your coffee intake to the morning but are having trouble, consider whether you’re regularly getting enough quality rest, King said.

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Persons: ”, . Lu Qi, Celia Scott Weatherhead, Vanessa King, King, David Kao, wasn’t, ” Kao, Jacqueline Marie Schauble Leaffer, Qi, you’re, Kao, Sue, Ellen Anderson, Haynes, Anderson Organizations: CNN, Heart, Tulane, Celia Scott Weatherhead School of Public Health, Tropical Medicine, National Health, Academy of Nutrition, Health, University of Colorado Anschutz Locations: New Orleans, America