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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.
Caffeine does not give you energy, just delays fatigue for a little while longer.” In other words, that 2 p.m. cup of coffee is just delaying the inevitable. At first, caffeine might appear to ...
The metabolism of caffeine is reduced in pregnancy, especially in the third trimester, and the half-life of caffeine during pregnancy can be increased up to 15 hours (as compared to 2.5 to 4.5 hours in non-pregnant adults). [79] Evidence regarding the effects of caffeine on pregnancy and for breastfeeding are inconclusive. [26]
If pregnant, it is recommended not to consume more than 200 mg of caffeine a day (though this is relative to the pregnant person's weight). [26] If a pregnant person consumes high levels of caffeine, it can result in low birth weight due to loss of blood flow to the placenta, [27] and could lead to health problems later in the child's life. [28]
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8-ounce cup of drip coffee. 95–200 milligrams (robusta coffee beans contain about twice as much caffeine as arabica). 1-ounce espresso shot. 60–65 milligrams. 12-ounce can of Coke. 34 milligrams
High doses of caffeine intake during pregnancy may increase the risk of miscarriage [49] and some major negative pregnancy outcomes, such as stillbirth or low birth weight. [ 50 ] [ 51 ] A 2020 review called into question the safe levels proposed by the European Food Safety Authority, the American Congress of Obstetricians and Gynecologists ...
Caffeine even has medical uses: It can help with pain, including headaches, and also stimulates smooth muscles in your body and can help with constipation, Hunnes says. But there can be a definite ...