Human biology and behavior change throughout the day. A primary internal timekeeper, located in the brain, and synchronized by light, controls these daily fluctuations. Social and cultural temporal cues are also able to set the time of our internal clock. Humans are a diurnal species:... click to read more

There has been much investigation into the role of the body's immune system in fighting or promoting the development of cancer, and in recent years, one particular type of immune cell, the CD8 T cell, has been shown to be important for fighting cancer in... click to read more

Buzz words circulating around the medical profession and the media right now are "stem cell therapy". This treatment usually involves isolating adult cells from patients and injecting them to a specific place in a human body. There seems to be some promise in animal studies... click to read more

Cancer, viruses, bacteria, and chemicals are threatening our bodies every day. The weapon our body uses to fight these threats is our immune system. When triggered by the presence of something it perceives as foreign (and therefore danger), our immune system will produce antibodies targeting... click to read more

Organisms face stress daily, and generally, these stressors have some form of negative effect on our physiology. For example, exposure to thermal stress (elevated heat) increases body temperatures, causes loss of cognitive function, and mood changes. Humans have adapted several different methods for dealing with... click to read more