Fujita, et al. (2017), 1 published an animal study that showed oral intake of caffeine interferes with the efficacy of acupuncture for pain. Caffeine is a potent adenosine receptor antagonist. This ...

For many people, a cup of coffee is an essential part of the morning routine - but it turns out that our bodies can become ...

Caffeine can cause insomnia, nervousness, restlessness, nausea, increased heart rate, and other side effects. Larger doses might cause headache, anxiety, and chest pain. Caffeine is likely unsafe ...

Flu-like symptoms: Some people may experience nausea, muscle pain, or general discomfort. Low motivation: The lack of caffeine’s stimulating effect can decrease motivation for daily activities.

Acetaminophen is in many nonprescription and prescription medications (such as pain/fever drugs or cough-and-cold products). Check the labels on all your medicines to see if they contain ...