Nuts and seeds—especially almonds, walnuts, pumpkin seeds, and sunflower seeds—are excellent plant-based sources of tryptophan. They also provide magnesium and healthy fats, both of which support ...

Chronic hyponatremia—long viewed as symptomless—is now shown to disrupt brain chemistry and cause anxiety-like behaviors, according to a new study in mice.

Researchers from China Agricultural University discovered that a specific gut bacteria strain can tackle both depression and ...

Low serotonin levels have been linked to many physical and psychological symptoms, according to Healthline. However, scientists are unsure what actually causes serotonin deficiency.

Low serotonin levels may be caused by a variety of factors. ... There are a number of ways to increase serotonin if you’re experiencing symptoms that may indicate low levels.

Loss of the "happiness" brain hormone serotonin might play a role in the decline of brain function as a person ages, a new study reports. People with mild cognitive impairment (MCI) had up to 25% ...

Loss of the "happiness" brain hormone serotonin might play a role in the decline of brain function as a person ages, a new study reports. People with mild cognitive impairment (MCI) had up to 25% ...

Her symptoms include significant fatigue, brain ... “These are very important findings that help explain why serotonin levels remain low in certain long COVID patients following SARS-CoV-2 ...

Low levels of serotonin could result in any number of seemingly unrelated symptoms, as in the case of long COVID, experts say.