The tryptophan switch? Why exercise boosts your mood
One in five Canadians is living with mental health challenges such as anxiety and depression at any one time.
11 hours ago
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Amino Acids, Peptides, and Proteins: News and Research on Amino Acids, Essential
MeSH tree: D12.125.142
Study suggests one common amino acid may affect how long men live
A large new study suggests that higher levels of a common amino acid called tyrosine may be linked to a shorter lifespan in men.
Feb 27, 2026
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Liver metabolism of an essential amino acid may play a key role in gut health
Many biological processes exhibit daytime differences governed by rhythmic exposure to sunlight, termed circadian rhythms. Researchers at Penn State recently found, in mice, that a protein critical to intestinal barrier function—helping ...
Feb 2, 2026
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Dietary supplement may protect against inflammation-related injury and death by enhancing kidney function
As soon as you are wounded—whether from grabbing a hot pan or contracting the flu—you begin a unique journey through variable symptoms toward either recovery or death. This journey is called your disease trajectory, and ...
Jan 22, 2026
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Mapping metastasis—how nutrient availability shapes breast cancer's spread
Breast cancer can spread—or metastasize—to many different parts of the body, but it's not well understood why tumors grow better in some organs than others.
Jan 9, 2026
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Heat exposure during pregnancy alters amino acids and vitamins linked to preterm birth
An Emory University study, published Friday by Science Advances, provides the first evidence that exposure to higher temperatures during pregnancy is linked to specific biological changes in mothers that are also associated ...
Nov 22, 2025
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Arginine supplementation curbs Alzheimer's disease pathology in animal models
Alzheimer's disease (AD), a progressive neurodegenerative disorder, is one of the leading causes of dementia worldwide, and currently has no definitive cure. Although antibody-based therapies that target amyloid β (Aβ) ...
Nov 21, 2025
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Cancer-causing contaminant in blood pressure pills may point to higher safety risks in older generic drugs
A generic blood pressure drug called prazosin, made by Teva Pharmaceuticals, is being recalled by the Food and Drug Administration because it contains elevated levels of cancer-causing chemicals called nitrosamines.
Nov 10, 2025
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Amino acid supplement may boost exercise benefits for older adults
It is often said that exercise is the best medicine, but for many older adults, it can be a prescription that is increasingly difficult to take. Age-related physical and mental health challenges frequently make regular activity ...
Oct 30, 2025
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Missing nutrient in breast milk may explain health challenges in children of women with HIV
A new UCLA study reveals that breast milk from women living with HIV contains significantly lower levels of tryptophan, an essential amino acid likely important for infant immune function, growth, and brain development. This ...
Oct 28, 2025
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