There are 313 calories in 1 medium Blueberry Muffin. Get full nutrition facts and other common serving sizes of Blueberry Muffins including 1 mini and 1 oz. Register | Sign In
However, it is now well established that extensive periods of bedrest can cause harm to the rest of the body. The most obvious effects of long periods of immobility are seen in the musculoskeletal system, with the loss of muscle strength and endurance, and bone weakening. Bones undergo a progressive loss in mass through a condition known as disuse osteoporosis.
Physiological Effects. Caffeine's stimulant effect on the central nervous system is dose-dependent; the more caffeine consumed, the stronger the stimulant effect. It blocks a neurotransmitter called adenosine, which is a central nervous system depressant and has a calming, slowing effect on the brain.