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Step up Health, Delhi (2025)

21/11/2025

New research uncovers hidden divide in West Coast killer whalesScientists confirmed that West Coast transient killer whales actually form two separate groups split between inner and outer coastal habitats. Inner-coast whales hunt smaller prey in shallow, maze-like waterways, while outer-coast orcas pursue large marine mammals in deep offshore canyons. The groups rarely interact, despite sharing a broad range along the Pacific Coast. Their contrasting lifestyles highlight the need for distinct conservation strategies.

Scientists confirmed that West Coast transient killer whales actually form two separate groups split between inner and outer coastal habitats. Inner-coast whales hunt smaller prey in shallow, maze-like waterways, while outer-coast orcas pursue large marine mammals in deep offshore canyons. The group...

20/11/2025

New report reveals major risks in turning oceans into carbon sinksExperts say the ocean could help absorb carbon dioxide, but today’s technologies are too uncertain to be scaled up safely. New findings released during COP30 highlight the risks of rushing into marine carbon removal without proper monitoring and verification. With the 1.5°C threshold approaching, researchers stress that emissions cuts must remain the top priority. Ocean-based methods may play a role later, but they need careful oversight first.

Experts say the ocean could help absorb carbon dioxide, but today’s technologies are too uncertain to be scaled up safely. New findings released during COP30 highlight the risks of rushing into marine carbon removal without proper monitoring and verification. With the 1.5°C threshold approaching,...

19/11/2025

New antibody breakthrough could finally slow polycystic kidney diseaseA specially engineered antibody that can infiltrate kidney cysts has shown the ability to block key growth signals driving polycystic kidney disease. Early mouse studies suggest it may halt or even reverse cyst expansion without harming healthy tissue.

A specially engineered antibody that can infiltrate kidney cysts has shown the ability to block key growth signals driving polycystic kidney disease. Early mouse studies suggest it may halt or even reverse cyst expansion without harming healthy tissue.

18/11/2025

A surprising CBD advance calms pain without side effectsResearchers developed a new nano-micelle formulation, CBD-IN, that finally gets CBD into the brain effectively. In mice, it relieved neuropathic pain quickly and didn’t cause the usual movement or memory side effects. Surprisingly, the pain relief didn’t use typical cannabinoid receptors, instead calming abnormal nerve activity more directly. The findings hint at new avenues for treating chronic pain and neurological diseases.

Researchers developed a new nano-micelle formulation, CBD-IN, that finally gets CBD into the brain effectively. In mice, it relieved neuropathic pain quickly and didn’t cause the usual movement or memory side effects. Surprisingly, the pain relief didn’t use typical cannabinoid receptors, instea...

17/11/2025

GLP-1 drugs like Ozempic deliver huge weight loss but new research reveals a hidden catchGLP-1 drugs like tirzepatide and semaglutide offer powerful weight-loss effects but come with unanswered questions about long-term safety, side effects, and global accessibility. Researchers stress the need for independent studies before these treatments can be fully embraced worldwide.

GLP-1 drugs like tirzepatide and semaglutide offer powerful weight-loss effects but come with unanswered questions about long-term safety, side effects, and global accessibility. Researchers stress the need for independent studies before these treatments can be fully embraced worldwide.

16/11/2025

Smoking cannabis with to***co may disrupt the brain’s “bliss molecule”Scientists found that people who use both cannabis and to***co show a distinct brain pattern tied to mood and stress regulation. Their scans revealed higher levels of an enzyme that reduces a natural feel-good molecule in the brain. This imbalance may help explain why co-users experience more anxiety and struggle more when quitting.

Scientists found that people who use both cannabis and to***co show a distinct brain pattern tied to mood and stress regulation. Their scans revealed higher levels of an enzyme that reduces a natural feel-good molecule in the brain. This imbalance may help explain why co-users experience more anxiet...

14/11/2025

Hypersonic breakthrough could enable planes that fly 10 times the speed of soundHypersonic flight could one day make long-haul travel as quick as a short movie. Researchers are testing how turbulence behaves at extreme speeds, a critical hurdle for designing these aircraft. Their laser-based krypton experiments suggest turbulence at Mach 6 behaves more like slower airflow than expected. The results could simplify hypersonic vehicle design and accelerate progress toward ultra-fast travel.

Hypersonic flight could one day make long-haul travel as quick as a short movie. Researchers are testing how turbulence behaves at extreme speeds, a critical hurdle for designing these aircraft. Their laser-based krypton experiments suggest turbulence at Mach 6 behaves more like slower airflow than....

13/11/2025

A fierce crocodile ancestor that hunted before dinosaurs has been foundScientists have identified a new crocodile precursor that looked deceptively dinosaur-like and hunted with speed and precision. Named Tainrakuasuchus bellator, the armored “warrior” lived 240 million years ago and occupied a powerful niche in the Triassic food chain. Its fossils reveal deep evolutionary links between South America and Africa. The find sheds light on a vibrant ecosystem that existed just before dinosaurs emerged.

Scientists have identified a new crocodile precursor that looked deceptively dinosaur-like and hunted with speed and precision. Named Tainrakuasuchus bellator, the armored “warrior” lived 240 million years ago and occupied a powerful niche in the Triassic food chain. Its fossils reveal deep evol...

12/11/2025

Acceptability and uptake of long‐acting reversible contraceptives in Ethiopia: A systematic review and meta‐analysisBackground and Aim: Despite their high effectiveness, the acceptability and utilization of long-acting reversible contraceptives (LARCs) in Ethiopia remain low and vary across population groups and regions. This systematic review and meta-analysis aimed to estimate the pooled levels of LARC acceptability and utilization by method type, population subgroup, and study context to inform reproductive health programming and policy. Methods: A comprehensive search was conducted across PubMed, EMBASE, Scopus, and EBSCOhost (CINAHL), along with grey literature sources including Google Scholar and Google. Studies published between 1st January 2021 and 30th June 2024 that focused on adolescents, reproductive-age women, female healthcare providers, and communities in both rural and urban settings in Ethiopia were included. Pooled estimates were calculated using a random-effects model, and heterogeneity was assessed using the I² statistic. The review protocol was registered with PROSPERO (CRD42024594288). Findings were presented as proportions with corresponding 95% confidence intervals. Results: Out of 527 records identified, 50 studies comprising a total of 83,082 participants met the inclusion criteria. The pooled acceptability of LARCs (implants or IUCDs) was estimated at 24% (95% CI: 18%–31%), with implants alone showing higher acceptability at 26% (95% CI: 12%–49%) compared to IUCDs at 19% (95% CI: 12%–30%). The overall utilization of LARCs was 20% (95% CI: 15%–27%), with the highest uptake observed among women in the immediate postpartum or postabortion period at 30% (95% CI: 21%–39%). Utilization of implants alone was 15% (95% CI: 11%–20%), while IUCD use remained lower at 5% (95% CI: 4%–7%), with slightly higher usage in urban areas (9%). Considerable heterogeneity was detected across studies, with I² values exceeding 90%. Conclusion: LARC acceptability and utilization remain suboptimal in Ethiopia, particularly among adolescents and rural populations. Implants are more widely accepted and used than IUCDs. These findings indicate the need for targeted, context-specific interventions to address demographic, cultural, and health system-related barriers to LARC uptake.

Background and Aim: Despite their high effectiveness, the acceptability and utilization of long-acting reversible contraceptives (LARCs) in Ethiopia remain low and vary across population groups and regions. This systematic review and meta-analysis aimed to estimate the pooled levels of LARC acceptab...

12/11/2025

Earth is slowly peeling its continents from below, fueling ocean volcanoesResearchers discovered that continents don’t just split at the surface—they also peel from below, feeding volcanic activity in the oceans. Simulations reveal that slow mantle waves strip continental roots and push them deep into the oceanic mantle. Data from the Indian Ocean confirms this hidden recycling process, which can last tens of millions of years.

Researchers discovered that continents don’t just split at the surface—they also peel from below, feeding volcanic activity in the oceans. Simulations reveal that slow mantle waves strip continental roots and push them deep into the oceanic mantle. Data from the Indian Ocean confirms this hidden...

$Scientists turn body fat into bone to heal spinal fracturesResearchers in Osaka have found that stem cells from fat tiss...$

11/11/2025

Scientists turn body fat into bone to heal spinal fracturesResearchers in Osaka have found that stem cells from fat tissue can repair spinal fractures similar to those caused by osteoporosis. By turning these cells into bone-forming clusters and pairing them with a bone-rebuilding material, rats regained stronger, healthier spines. The approach could offer a safe, minimally invasive alternative for treating bone diseases in humans.

Researchers in Osaka have found that stem cells from fat tissue can repair spinal fractures similar to those caused by osteoporosis. By turning these cells into bone-forming clusters and pairing them with a bone-rebuilding material, rats regained stronger, healthier spines. The approach could offer....

10/11/2025

New bacterial therapy destroys cancer without the immune systemA Japanese-led research team has developed AUN, a groundbreaking immune-independent bacterial cancer therapy that uses two harmonized bacteria to destroy tumors even in patients with weakened immune systems. By leveraging the natural synergy between Proteus mirabilis and Rhodopseudomonas palustris, AUN selectively targets cancer cells, reshapes itself within tumors, and avoids harmful side effects like cytokine release syndrome.

A Japanese-led research team has developed AUN, a groundbreaking immune-independent bacterial cancer therapy that uses two harmonized bacteria to destroy tumors even in patients with weakened immune systems. By leveraging the natural synergy between Proteus mirabilis and Rhodopseudomonas palustris,....

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