It is generally believed that the placebo response can elicit an analgesic effect, whilst the nocebo response can elicit a hyperalgesia effect in pain. Placebo analgesia and nocebo hyperalgesia effects are increasing concerns for researchers. Growing evidence suggests personality differences have an impact on both placebo and nocebo effects.…[Read more]

Caffeine (1,3,7-trimethylxanthine) is a naturally occurring compound found in plants and is the most utilized drug in the world. An estimated 89% of U.S. citizens and 80% of people worldwide consume caffeine on a regular basis. The prevalence of caffeine supplementation by individuals has been increasing in body-weight regulation (e.g., weight…[Read more]