Everybody today wants to have a strong immune system to prevent disease, tough bones and teeth to avoid fractures and dental problems, or healthy nervous system to ensure good memory, focus and emotional well-being. This goal, however, can’t be achieved without normal blood levels of Vitamin D. Read more
According the the shocking results of a study in which old rats were given Alpha Lipoic Acid and Acethyl L-carnitine the two antioxidants were so effective that they made the old rats younger!
As adenosine is created in the brain, it binds to adenosine receptors. This binding causes drowsiness by slowing down nerve cell activity. In the brain, this also causes blood vessels to dilate to let more oxygen into that organ during sleep. To a nerve cell, caffeine looks like adenosine: Caffeine binds to the adenosine receptor. However, caffeine doesn’t slow down the cell’s activity like adenosine would. As a result, the cell can no longer identify adenosine because caffeine is taking up all the receptors that adenosine would normally bind to.
This video from How Stuff Works shows how caffeine tricks nerve cells into believing it is adenosine: