Caffeine can counteract this effect to some degree. By independently blocking the action of adenosine in the brain, caffeine can undermine its ability to induce sleepiness. This is how caffeine functions as a stimulant, increasing alertness and energy levels even when we should otherwise be sleepy....
But coffee, and more precisely the caffeine within it, is a psychoactive substance, can be highly addictive and has a profound effect on our brain functioning. Clearly, it can have adverse effects, which is why Rhiannon Lambert, Harley streetnutritionistand founder of Rhitrition.com, says she ...
This is especially true for individuals who already have a pre-existing psychological issue (such asGeneralized Anxiety Disorder), as consuming too much caffeine can exacerbate psychosis, increase hostility, and cause added anxiety,something a number of celebrities have dealt with. Additionally, peopl...
Caffeine has also beenshown tospeed up our metabolism, causing more energy to be burned while resting. However, this effect is relatively small and is not a suitable substitute for regular physical activity and a healthy diet. Finally, coffee has amild diuretic effect, which can lead to tempora...
is about “just having one” or “just one Coke Zero a day” which turns into weeks, because after all, “it’s just caffeine”. I know my triggers – the day job I hate or, conversely, “celebrating” free time: as my #1 healthy lifestyle factor, staying off caffeine is about ...
Almondbutter is an excellent alternate source of protein, with about 6.72 grams in two tablespoons.49It also packs monounsaturated fat, a good substitute for saturated fat.50 "It's a really delicious spread on whole grain bread or paired with a banana or an apple," said Giovinazzo. ...
Overall, carob powder is a healthier alternative to cacao for many people. Because carob powder is so versatile, you can substitute it in many recipes that call for cocoa powder and chocolate. Then, you can eat your tasty, healthy desserts and enjoy all the wonderful benefits of carob powder...
Caffeine Content in Herbal Teas Most herbal teas are low in caffeine, but some varieties contain more than others. While herbal teas are generally not a substitute for coffee, which contains a higher caffeine content, they can be helpful for those who want to reduce their caffeine intake. Some...
Coffeeandalcoholare both dehydrating, so they can increase symptoms of jet lag. However, caffeine may help treat jet lag symptoms.10When using caffeine for jet lag, consume it only in the morning to prevent difficulty sleeping at night. And be sure to drink water, too. ...
If you've been hitting the books to revise for an exam (or know someone who has), discover which foods will nourish the body and keep your brain alert and focused.