Mood

Serotonin, which is often referred to as the "happiness hormone," is most often associated with happiness and feelings of well-being. While this inhibitory neurotransmitter definitely has an effect on mood, it also affects our brains and bodies in a variety of other ways. Low serotonin can impact nearly every system in the body, causing symptoms that interfere with just about every...

Depression is one of the most common mental illnesses in the developed world and one that takes a huge toll on both sufferers and their loved ones. Depression also costs the nation as a whole, with its economic impact estimated at more than $50 billion a year in the United States alone. New research on the link between melatonin and depression suggests...

Low-fat diets are all the rage in the Western world, with many trying to follow medical advice to keep fat consumption low and avoid fried foods. However, there is one fat that many people actually need to consume more of: omega-3 fatty acids. These fatty acids are important to brain and joint function and play a vital role in almost...

How do you feel when you don't get enough sleep? If you are like most people, you feel fatigued, achy, out of sorts and a bit duller than usual. As much as sleep restriction obviously affects your health and mood, it can have even more severe effects on your hormone levels, cell metabolism and other less visible aspects of health...

Inside your intestines live billions of bacteria and other microorganisms. These are not parasites, but rather an important part of your body and your health. New research has found that these microorganisms are integral in disease prevention, emotional health and other areas. However, we live in a world filled with antibiotics and antimicrobials that may be affecting the important functions...