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Many believe pulling out one grey hair will cause several more to grow. A dermatologist explains the science behind greying, and what really happens when you pull out that first silver strand
Tobacco cravings may feel intense, but experts say most urges last only a few minutes and can be managed with simple coping strategies while the brain adjusts to life without nicotine
Updated On: Mar 12 2026 | 3:17 PM ISTWorld Kidney Day: Doctor highlights subtle signs like foamy urine, swelling and frequent urination that could signal trouble long before serious symptoms appear
Updated On: Mar 12 2026 | 12:12 PM ISTWorld Kidney Day: Frequent use of painkillers, antibiotics, or antacids without medical advice may damage kidney function over time; doctor explains why self-medication can pose a serious risk
Updated On: Mar 12 2026 | 11:49 AM ISTWell-designed physical activity initiatives that support walking, cycling and public transport can simultaneously contribute to climate mitigation and adaptation and promote health and equity, according to a study. Researchers, including those from the Auckland University of Technology in New Zealand, have developed a 'physical activity and climate change' model, a conceptual framework offering a practical basis for integrated, equitable and sustainable solutions. "Aligning physical activity and climate change agendas is more powerful than addressing them separately, offering greater combined benefits for population and environmental health," authors wrote in the paper describing the model published in the journal Nature Health. The paper is among a series of three indicating that current efforts directed at promoting engagement in physical activity are insufficient, and a coordinated action is required to ensure that physical activity contributes towards public health and society .
A study has found that ovalbumin, the primary protein in egg whites, could effectively bind and remove per- and polyfluoroalkyl substances from contaminated water, offering a scalable material for removing the highly persisting chemicals. Per- and polyfluoroalkyl substances (PFAS) are used in products, including nonstick cookware and waterproof fabrics, and often called 'forever chemicals' owing to their extreme persistence in the environment and human body. Exposure to the substances has been linked with varied health risks, such as cancer, liver damage and a disruption to immune system. Researchers, led by Achintya Bezbaruah from North Dakota State University and Iowa State University's Wenjie Xia, found that ovalbumin acts as a natural carrier protein that binds to and wraps around PFAS molecules, trapping them in a stable complex. The binding property of ovalbumin can be harnessed to develop scalable, bio-based materials for capturing PFAS in water treatment systems and natural