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Have you ever taken a sip of tea and felt a bitter, dry coating in your mouth almost immediately? You can thank what’s called a tannin in the tea for that. Tannins are compounds classified as polyphenols, and they have both positive and negative effects on your health. While some tannins acts as antioxidants and can help combat inflammation, protect your heart health and reduce your risk of developing cancer, others, like tannic acid, act as anti-nutrients, interfering with the way certain minerals, like iron, are absorbed. Most teas contain tannins, but some types of teas have higher amounts than…

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The birthstone for September is none other than sapphire, known for its rich color and gorgeous glimmer. As crystal expert and co-founder of Energy Muse Heather Askinosie explains to mbg, sapphires are part of the corundum variety of gems. They have a hexagonal crystal structure and are very, very hard. Sapphires are primarily sourced from India, Sri Lanka, the state of Montana, Western Africa, and Australia, she adds.

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Omega-3 supplements are popular for promoting heart and brain health. But they can interact with blood pressure medications, anticoagulants, aspirin and ibuprofen.If you take omega-3s, speak to your health care provider about potential drug interactions. If you find it difficult to eat two to three servings of fatty fish like salmon, sardines or mackerel each week, you may turn to omega-3 supplements. Considering that few of us consume enough DHA and EPA to begin with, these supplements are a convenient way to get the long-chain omega-3 fats our bodies need. However, taking omega-3 supplements isn’t risk-free, especially if you take certain…

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Credit: Karl-Erik Piirimees. Medications taken years ago can continue to shape the human gut microbiome, according to a large-scale study from the University of Tartu Institute of Genomics. Analyzing stool samples and prescription records from over 2,500 Estonian Biobank participants in the Estonian Microbiome cohort, researchers found that the majority of drugs studied were linked to microbiome changes, with a substantial number of them also showing long-term effects detectable years after patients stopped taking them. The impact was not limited to antibiotics: antidepressants, beta-blockers, proton pump inhibitors, and benzodiazepines all left microbial “fingerprints.” “Most microbiome studies only consider current medications,…

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Genetic signatures could explain why levels of breast milk production vary among people.Image credit:©iStock, maybefalseThe delivery room bustles with palpable excitement. With a final push, the room is filled with the cries of a newborn baby. After a quick medical assessment, the infant settles in for her first ever meal—breast milk. Not only does breast milk contain all the nutrients that babies need in the first six months of their lives, but it also provides essential antibodies that protect the tiny humans from infections and boost their immunity.1 Studies over the past few decades suggest that breastfed infants have a lower…

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More needs to be done to crack down on the black market for weight loss jabs, experts, warn, where patients are ordering counterfeit versions of drugs that are still in clinical trials.Speaking to the London Assembly’s health committee on 10 September, doctors, pharmacists, and online providers suggested that poor access to the drugs on the NHS—as uncovered in The BMJ’s recent investigation1—and the recent Mounjaro price hike were pushing patients to seek the jabs through the black market.2Sokratis Papafloratos, founder of Numan, an online provider of weight loss drugs, said, “ In terms of illicit access, I think we really underestimate…

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