Discover the complex interplay of genetics and environment in ADHD susceptibility. Learn how circadian rhythm and neurotransmitter genes contribute to the disorder, and how toxicant exposure may increase risk.
Are you always tired even when you know you slept well? Discover more about the newest research on fatigue and how genetic susceptibility plays a part for some people.
Discover the role of genetics, stress, and neurotransmitters in alcohol use disorder. Alcohol dependence is complex; understand your genes and the research on treatment options.
Cortisol is a hormone produced by the adrenal glands in times of stress, and it also plays many roles in your normal bodily functions. It is a multi-purpose hormone that needs to be in the right amount (not too high, not too low) and at the right time. Your genes play a big role in how likely you are to have problems with cortisol.
Depression can have multiple physiological causes. This article ties together 9 separate articles on depression to simply your genetic search.
Exposure to childhood trauma, such as exposure to abuse, violence, or repeated stress, can have a long-lasting effect. Genetic differences in the CRHR1 gene are linked to elevated cortisol levels in adults who were exposed to trauma in childhood.