Science story Biology
Can Ozempic Slow Aging? Semaglutide Extended Lifespan in Older Female Mice
Semaglutide extended median lifespan by about 12% in older female mice, but the study does not show that Ozempic slows human aging.
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Category: Health
Science story Biology
Scientists Identify 36 Risk Genes Linked to OCD and Tic Disorders
Health · Peer reviewed. Rare-variant sequencing identifies 36 risk genes and shared biology—but does not create a diagnostic test.
Science story AI
AI Emotional Support Is Linked to Distress in Young People
A cross-sectional study links emotional-support use of generative AI with youth psychological distress, but it cannot establish cause and effect.
Science story Biology
Tuberculosis May Evolve Drug Resistance While Drying in Air
Drying damages tuberculosis DNA and activates repair pathways that may help some rifampin-resistant strains survive transmission.
Science story Biology
Self-Blinking Probes Image DNA Near Double-Helix Resolution
New fluorescent probes image chromatin at 20 nanometres in living cells and localize dyes to about 3 nanometres in preserved cells.
Science story Biology
Doctors Injected Mitochondria From a Woman’s Leg Into Her Eyes
The first reported mitochondrial injections into human eyes appeared safe in one patient, but the temporary response did not restore measurable vision.
Science story Biology
Two Injections Improved Memory in Alzheimer’s-Model Mice—Not Humans
An experimental nanogel improved memory tests and increased neuronal markers in Alzheimer’s-model mice. The treatment has not been tested in people.
Science story Biology
Aging Occurs In Two Bursts Of Human Life
According to Stanford Medicine research humans do not experience aging in a steady cycle of linear changes, instead we experience bursts of aging between ages 44-60. As reported by Aging…
Science story Health
What Is Under Desk Exercise And How Effective Is It?
Under-desk exercises are a very effective and innovative way to incorporate physical activity into a busy workday. In today’s technology-driven world, most of us spend more than 8 hours per…