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Can a form of vitamin B3 really slow down how fast you age?

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NAD levels drop steadily as you get older, weakening everything from energy production to DNA repair. But does taking a supplement actually help?   The truth about NAD supplements and aging Your body contains a molecule called nicotinamide adenine dinucleotide (NAD) that helps power your cells, repair your DNA, and regulate your immune system. And you make less of it every year you're alive. That fact has turned NAD supplements, typically sold as forms of vitamin B3, into one of the fastest-growing categories in the longevity market. But Şebnem Ünlüişler, Chief Longevity Officer and genetic engineer at the London Regenerative Institute, says the picture is more complicated than supplement labels suggest. "NAD+ levels decline with age, and this reduction is associated with impaired mitochondrial function, reduced genomic stability, and increased cellular stress," Ünlüişler...

Psychedelic drug can relieve severe depressive symptoms, phase 2 trial finds

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Treatment with the psychedelic dimethyltryptamine, or DMT, alongside psychotherapy, can relieve severe depressive symptoms, a phase 2 trial has found.     Today's News Updated on February 21, 2026 at 8:00 a.m. PST     Psychedelic drug can relieve severe depressive symptoms, phase 2 trial finds READ ON   Chewing or eating ice: Underlying causes, health risks, and complications READ ON   Can Zepbound lead to depression? READ ON   ...