To survive long enough to form a tumor, cancer cells must ward off attacks by the body’s immune system. Some cancers protect themselves by vacuuming up the amino acid tryptophan, which nearby immune ...
BEER-SHEVA, Israel, December 23, 2205 – Tryptophan is more than a sleep molecule; its byproducts build proteins, fuel energy (NAD+), and synthesize key neurotransmitters like serotonin and melatonin.
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