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Too much caffeine can lead to increased heart rate, heart palpitations, high blood pressure, insomnia, anxiety, nausea, headache, or the jitters. Some people are more sensitive to caffeine than ...
Energy drinks vary wildly, but often fall within the range of 70 to 200 mg per serving. The source of the caffeine itself also depends on the brand, and it can ultimately impact the nutritional ...
CNN: Can drinking a lot of energy drinks be dangerous? Wen: Yes, especially because of excessive caffeine consumption. A large amount of caffeine can cause rapid heartbeat. People can become ...
Caffeine dependence can cause a host of physiological effects if caffeine consumption is not maintained. Commonly known caffeine withdrawal symptoms include headaches, fatigue, loss of focus, lack of motivation, mood swings, nausea, insomnia, dizziness, cardiac issues, hypertension, anxiety, and backache and joint pain; these can range in severity from mild to severe. [18]
Some of these processes include wakefulness, stimulation, and mood and cognition enhancement. Low doses can result in psychological effects of "mild euphoria, alertness, and enhanced cognitive performance"; [7] higher doses produce physiological side effects of nausea, anxiety, trembling, and jitteriness.
Excessive consumption of energy drinks can have serious health effects resulting from high caffeine and sugar intakes, particularly in children, teens, and young adults. [18] [19] Excessive energy drink consumption may disrupt teens' sleep patterns and may be associated with increased risk-taking behavior. [18]
These drinks can contain anywhere from 200 mg to 350 mg of caffeine, and the large amounts of caffeine in these drinks can cause significant health problems, especially in teens and adolescents ...
A study of 20 volunteers conducted at Nagoya University in Japan associated a higher degree of exercise-induced nausea after eating. [1] Lack of hydration during exercise is a well known cause of headache and nausea. [2] Exercising at a heavy rate causes blood flow to be taken away from the stomach, causing nausea. [3]