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The rainy season may bring cooler weather, but it also increases the risk of digestive problems. Experts warn that eating unhygienic street food, drinking contaminated water, or consuming improperly stored meals can expose your gut to harmful bacteria, viruses, and parasites. This may lead to bloating, acidity, diarrhoea, food poisoning, and stomach infections. To protect your digestive system, choose freshly cooked food, drink only filtered or boiled water, wash fruits and vegetables thoroughly, and include probiotic foods like curd in your diet. If symptoms such as severe abdominal pain, persistent vomiting, dehydration, or blood in stools develop, seek medical attention promptly to prevent serious complications.

A new study suggests that children born by cesarean section to mothers with a history of allergic diseases may have a significantly higher risk of developing allergic rhinitis, commonly known as hay fever. Researchers found that both cesarean delivery and maternal allergies were independent risk factors, but together they increased the risk more than fivefold compared to children without these factors. The findings highlight a possible combined effect between delivery method and maternal health history. While the study does not prove cause and effect, researchers recommend careful counseling during pregnancy and reserving cesarean sections for medically necessary situations whenever possible.

A first-in-human clinical trial has shown encouraging results for a new T-cell therapy designed to treat aggressive pediatric brain cancers, including diffuse intrinsic pontine glioma (DIPG). The therapy uses a patient's own immune cells to target three tumor proteins—WT1, PRAME, and survivin—helping overcome one of the biggest challenges in treating solid tumors. Researchers reported early signs of tumor control, with some patients remaining disease-free for years after treatment. The therapy was also well tolerated, causing fewer severe side effects than many existing brain tumor immunotherapies. While these are early findings, larger Phase 2 trials are needed to confirm its safety and effectiveness.

Researchers have discovered a way to trigger sleep-like restorative processes in specific brain regions while mice remain awake. By inducing slow-wave activity—the brain pattern normally seen during deep non-REM sleep—scientists restored memory performance in sleep-deprived mice. The targeted brain regions showed a reduced need for sleep afterward, suggesting they had already undergone the restorative changes usually achieved during sleep. The findings indicate that the unique on-and-off rhythm of neuronal activity, rather than simply reduced brain activity, is key to sleep’s benefits. Although the research is still in animals, scientists hope similar non-invasive brain stimulation techniques could one day help improve memory and cognitive function in humans.

Two new studies suggest that insulin-producing beta cells are not just passive targets of the immune system in type 1 diabetes but may actively influence how the disease develops. Researchers found that healthy beta cells can mount antiviral defenses and use internal recycling processes, known as autophagy, to cope with stress. However, these protective mechanisms appear to be impaired in people with type 1 diabetes, making beta cells more vulnerable to damage. The findings challenge the traditional view of the disease and highlight beta cells as potential therapeutic targets. More research is needed to determine how these cellular pathways could be used to prevent or treat type 1 diabetes.

A new study suggests that a blood protein called GDF15 could help identify people at risk of dementia years before symptoms appear. Researchers followed more than half a million individuals for up to 25 years and found that higher GDF15 levels before age 55 were linked to a significantly greater risk of developing dementia later in life, particularly vascular dementia. Elevated GDF15 was also associated with brain shrinkage and damage to small blood vessels, even in people with normal memory and thinking abilities. While more research is needed, this simple blood test could one day help detect dementia risk early and support timely prevention strategies.

A new study suggests that accelerated biological aging may help explain the increasing rates of cancer in adults under 50. Researchers found that younger generations showed a greater gap between their biological and chronological ages compared to older generations. People with the highest biological age scores had about a 15% greater risk of developing early-onset solid cancers, particularly lung, gastrointestinal, and uterine cancers. While the findings do not prove that faster aging causes cancer, they offer important clues about why cancer diagnoses are rising in younger adults. Scientists stress that larger studies are needed to confirm these results and better understand the underlying mechanisms.

Researchers have developed a promising nanosensor that may enable earlier and more accurate diagnosis of autism spectrum disorder (ASD). The device measures nitric oxide (NO) levels in patient-derived stem cells, successfully distinguishing ASD from intellectual disability (ID), even when both conditions share the same genetic mutation. Unlike traditional blood-based tests, this approach bypasses the blood-brain barrier and does not require stem cells to be converted into neurons, making the process simpler. Scientists believe this technology could eventually allow autism to be detected within the first few months of life using somatic cells. However, larger studies are needed before it can be introduced into clinical practice.

A new study suggests that routine eye exams could play an important role in detecting hidden high blood pressure in people with diabetes. Researchers found that only 8% of diabetic patients had normal blood pressure, while nearly half had stage 2 hypertension and over 10% had blood pressure levels high enough to qualify as a medical emergency. Surprisingly, many patients believed their blood pressure was well controlled when it was not. Since 93% of participants supported blood pressure screening during eye appointments, researchers recommend making these checks a routine part of ophthalmology visits to identify hypertension early and reduce the risk of heart attacks, strokes, and vision loss.

A recent clinical trial found that a blend of dietary fibers from wheat, citrus, and oats significantly improved symptoms of chronic functional constipation. Participants taking the fiber supplement experienced more frequent bowel movements, softer stools, and reduced bloating, abdominal heaviness, and discomfort compared to those receiving a placebo. Improvements became noticeable within two weeks, and the supplement was well tolerated with no reported side effects or need for rescue laxatives. Researchers believe the combination of soluble and insoluble fibers works through complementary mechanisms to support healthy bowel function and gut microbes. While the findings are encouraging, larger and longer-term studies are needed to confirm these benefits.