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The gut microbiome has been increasingly connected to a myriad of conditions, in part due to the metabolic output of the microbes in the gut. Studies have suggested that exposure to carcinogens or toxins can have a broader impact on health. The brain-gut microbiome connection has also been under investigation. How the gut microbiome impacts the brain’s response to and preference for alcohol has not yet been thoroughly explored. Researchers at Tufts University have found a connection between a gut fungus, Candida albicans, and the dopamine pathway in the brain. Their paper titled, “Candida albicans colonization modulates murine ethanol consumption…

Credit: Juan Gaertner / Science Photo Library The last several years have marked a time of breakthroughs on the long and rocky road to effective Alzheimer’s disease treatments. After decades of failure, two antibodies designed to target forms of amyloid-β (Aβ) were shown to halt cognitive decline, results warranting FDA approval. However, these new treatments have drawbacks—they are expensive, have complicated infusion schedules, and come with a risk of adverse reactions like brain swelling and bleeding (ARIA), especially prevalent in people with the APOE4 gene variant associated with increased risk of Alzheimer’s. Earlier this week, a small biotech company called…

Flatworms’ extraordinary ability to regenerate depends on their stem cells’ surrounding environment. But in contrary to what scientists had thought, it’s not the cells in closest proximity to the stem cells that matter most.Image credit:Stowers Institute for Medical ResearchA type of flatworms, called planarians, can regenerate whole organisms from pieces as small as one-279th of their body.1 Depending on how these goofy-looking worms were cut, they could even come back with multiple heads, indicating a precise control of their regenerative capacity.2A planarian flatworm can regenerate a whole organism from a small fragment of their body. A good understanding of this…

Chocolate contains caffeine and theobromine—stimulants that can make it harder to fall and stay asleep.Milk chocolate is also high in sugar, which can cause blood sugar spikes and poorer-quality sleep.To enjoy chocolate without disrupting your rest, stick to a small piece early in the evening. A bite of chocolate at night can feel like the sweetest way to end your day. But depending on the type and timing, that indulgence might be doing more than satisfying your sweet tooth. Chocolate contains natural compounds that can influence how well you sleep—and since around 37% of adults already struggle to get enough…

Healthcare in low and middle income countries in Africa and elsewhere is being “hijacked” by commercial surrogacy companies, experts have warned.At a session at the European women’s rights conference FiLia in Brighton on 12 October, former surrogates and women’s rights campaigners from France, the US, and Germany argued that pregnancy complications such as sepsis, postpartum haemorrhage, and pre-eclampsia are higher in surrogate pregnancies and that the industry is distorting healthcare provision in commercial surrogacy destinations.Marie Josephe Devilliers, president of the feminist organisation International Coalition Against Surrogate Motherhood, presented evidence of such practice in Uganda, where a medical sector has been…

Both conditions can cause the same distressing symptom: swelling (angioedema).In both HAE and allergic angioedema, swelling can occur in the following parts of your face and body:[3][4]EyelidsLipsTongueThroat and airwaysHandsFeetGenitals“There are a few key differences in how the conditions present,” says Timothy Craig, DO, a professor of medicine and an allergy and immunology researcher at Penn State Health in Hershey, Pennsylvania.Histamine-mediated (or allergic) angioedema often causes redness, itchiness, and sometimes hives, Dr. Craig says.Although swelling related to HAE can look red, it’s typically not itchy, rarely has hives, and lasts longer — a few days rather than hours, he says.Both types of…

These delicious dinners for two feature ingredients like chicken, fish, legumes and leafy greens, which fit into one of the healthiest eating patterns around: the Mediterranean diet. Plus, each dish takes 30 minutes or less to make, so you can whip up a healthy evening meal with ease. These recipes like our Balsamic Chicken Thighs with Arugula-Tomato Salad or our Quinoa, Avocado & Chickpea Salad over Mixed Greens are the perfect meal for two, and they make great leftovers for lunch if you’re dining alone! Love these recipes? Join MyRecipes to save them all with one click. It’s so easy—and…

Nature, Published online: 15 October 2025; doi:10.1038/d41586-025-03129-xHand bones from a human relative, found in Kenya, reveal features similar to those of living gorillas, complicating the evolutionary history of hand and tool manipulation.

Credit: Juan Gaertner / Getty Images / Science Photo Library Researchers at the Francis Crick Institute and Vividion Therapeutics have developed a new class of chemical compounds that selectively block a key molecular interaction responsible for driving tumor growth in a broad range of cancers. Their findings, published in the journal Science, detail how certain small molecules disrupt the interaction between the RAS protein and PI3Kα, providing a new pathway for treating RAS-driven tumors and HER2-positive cancers, without adverse effects. “Given the RAS gene is mutated across a wide range of cancers, we’ve been exploring how to stop it interacting…

Health claims are one of the most effective ways that dietary supplement companies can convey the benefits of their products. However, there are strict laws when it comes to health claims, and widespread confusion around how and when these laws come into play.Writing in the journal Nutraceuticals, Spanish food regulatory experts described the regulation of dietary supplements as “one of the most complex topics in food law,” with health claims cited as one of the most misunderstood areas.Health claims were unregulated in Europe until 2007 when the European Commission introduced a legal framework known as the Health and Nutrition Claims…