Long-term fasting in 24-hour cycles increases the sex drive of male mice by lowering the concentration of the neurotransmitter serotonin in the brain. This effect is linked to a diet-induced deficiency of the precursor substance ...
Mar 28, 2025
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Rates of post-traumatic stress disorder (PTSD) combined with anxiety disorders or diagnoses of depression increased by 177% and 138% in only five years, from 2019 to 2023, according to the Medical Surveillance Monthly Report, ...
Jan 27, 2025
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In clinical practice guidelines jointly issued by the U.S. Department of Veterans Affairs and U.S. Department of Defense and published online Jan. 21 in the Annals of Internal Medicine, updated recommendations are presented ...
Jan 21, 2025
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Some maternal medications are associated with lower levels of protein and fat in breastmilk, according to a study published online Jan. 7 in JAMA Network Open.
Jan 10, 2025
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Researchers have discovered new connections between the gut and brain that hold promise for more targeted treatments for depression and anxiety, and could help prevent digestive issues in children by limiting the transmission ...
Dec 12, 2024
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Serotonin is often referred to as the "happiness molecule." It plays a critical role in affecting mood levels and is also a neurotransmitter that sends signals within the brain and the body.
Sep 27, 2024
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Increasing serotonin can change how people learn from negative information, as well as improving how they respond to it, according to a new study published in the journal Nature Communications.
Aug 9, 2024
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During my work as a clinical psychologist and neurobiologist, I have spoken with many individuals who are considering taking antidepressant medications such as selective serotonin reuptake inhibitors (SSRIs). Many ask me ...
Jul 24, 2024
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Scientists from Nagoya University in Japan have clarified the relationship between energy levels and fertility in animals and humans. They identified signaling from serotonergic neurons as important for maintaining reproductive ...
May 8, 2024
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In a new study, a Johns Hopkins Medicine-led research team reports that social stress during adolescence in female mice later results in prolonged elevation of the hormone cortisol after they give birth. The researchers say ...
Apr 16, 2024
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