Mood rings were one of the biggest fashion fads during the 1970s — touted as having the ability to "identify" the mood of the ring wearer by a corresponding color. During that decade, as people were ...

Coffee, even the decaffeinated variety, can help improve a person's mood and has a protective effect on brain health, and ...

A new study from APC Microbiome Ireland found habitual coffee consumption alters gut bacteria, influencing mood, stress and ...

Atypical levels of neurotransmitters such as serotonin, dopamine, and norepinephrine can contribute to mood changes and conditions like depression and bipolar disorder. Hormonal fluctuations involving ...

When people are in a negative mood, they may be quicker to spot inconsistencies in things they read, a new study suggests. When people are in a negative mood, they may be quicker to spot ...

As heatwave conditions keep more people indoors this summer, reduced sunlight, limited movement and disrupted routines can ...

Feeling a little down after receiving some unpleasant news? Trying to beat the Sunday scaries (or Monday blues)? Having a terrible, horrible, no good, very bad (or even just a little blah) day? Even ...