Psychology & Psychiatry

Gut-brain axis shift is needed in depression research, experts say

Scientists have high-tech tools to understand the biological factors that underly depression—from gut bacteria to genetics. But they have yet to be integrated in an effective manner, according to leading researchers.

Neuroscience

New study reveals changes in the brain throughout pregnancy

Pregnancy is a transformative time in a person's life where the body undergoes rapid physiological adaptations to prepare for motherhood—that we all know. What has remained something of a mystery is what the sweeping hormonal ...

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Depression is a state of low mood and aversion to activity that can affect a person's thoughts, behaviour, feelings and physical well-being. Depressed people may feel sad, anxious, empty, hopeless, helpless, worthless, guilty, irritable, or restless. They may lose interest in activities that once were pleasurable, experience loss of appetite or overeating, or problems concentrating, remembering details or making decisions; and may contemplate or attempt suicide. Insomnia, excessive sleeping, fatigue, loss of energy, or aches, pains or digestive problems that are resistant to treatment may be present.

Depressed mood is a normal reaction to certain life events, a symptom of some medical conditions (e.g., Addison's disease, hypothyroidism), various medical treatments (e.g., hepatitis C drug therapy), and a feature of certain psychiatric syndromes.

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