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| Dear Victor Norberto, Welcome to this week's Medical News Today newsletter, containing the headlines from the past week, across your chosen news categories. |
| Blood / Hematology |
| 5 causes of cold intolerance While some people simply get colder more easily than others, cold intolerance can also result from an underlying medical condition. In this article, learn about possible causes of feeling cold all the time, including hypothyroidism, anemia, and Raynaud’s disease. |
| Colorectal Cancer |
| Can this food additive turn our gut bacteria against us? After conducting a study in mice, researchers claim to have found 'pivotal evidence' that a common food additive is harmful to gut health. |
| Depression |
| How sleep and mood impact working memory Researchers assess which aspects of working memory are affected by age, sleep quality, and mood and whether these factors work in unison or independently. |
| Too much dietary fat in the brain may impact mental health A new study in mouse models shows that a high-fat diet can alter signaling mechanisms in the brain, leading to depression-like behaviors. |
| Depression: Exercise may reduce symptoms but not in women A recent study concludes that while exercising often relieves symptoms of depression in men, it may not be as effective for women. |
| Depression and constipation: What's the link? Depression increases the risk of chronic constipation. A new study in mice examines the mechanism behind this relationship and trials a new drug. |
| GastroIntestinal / Gastroenterology |
| Can this food additive turn our gut bacteria against us? After conducting a study in mice, researchers claim to have found 'pivotal evidence' that a common food additive is harmful to gut health. |
| When to see a doctor for severe stomach pain A wide range of problems and medical conditions can cause severe stomach pain, but not all of them require a visit to the doctor. Learn about the causes of severe stomach pain here. |
| Study finds evidence of 'clear relationship' between appendectomy and Parkinson's A study of 62 million people in the United States finds that those who have had their appendix removed are more likely to develop Parkinson's disease. |
| Depression and constipation: What's the link? Depression increases the risk of chronic constipation. A new study in mice examines the mechanism behind this relationship and trials a new drug. |
| IBD: Blood test could help predict severity, improve treatment Predicting the severity of an individual case of IBD may help guide treatment. A new study outlines a blood-based test that can predict IBD's course. |
| Hypertension |
| Eat walnuts to lower blood pressure, new study suggests The authors of a new study conclude that for people already at risk of cardiovascular disease, adding walnuts to a low-fat diet could lower that risk. |
| Can drinking mineral-rich water prevent hypertension? A study that links drinking salinated water to lower blood pressure attributes the effect to benefits of calcium and magnesium exceeding harms of sodium. |
| Neurology / Neuroscience |
| How sleep and mood impact working memory Researchers assess which aspects of working memory are affected by age, sleep quality, and mood and whether these factors work in unison or independently. |
| What to know about cluster A personality disorders The Cluster A personality disorders are paranoid personality disorder, schizoid personality disorder, and schizotypal disorder. The symptoms can vary depending on the specific disorder. Learn more here. |
| How Pokémon characters can help us understand the brain Because some children played Pokémon obsessively in their formative years, these characters are now providing insight into the adult brain. |
| Exploring spider venom's dual attack A study of spider venom looks deeper into its molecular makeup than ever before. The findings may lead to treatments for neurological conditions. |
| Study finds evidence of 'clear relationship' between appendectomy and Parkinson's A study of 62 million people in the United States finds that those who have had their appendix removed are more likely to develop Parkinson's disease. |
| Nutrition / Diet |
| What to know about calories and body fat A pound of body fat contains approximately 3,500 calories. A calorie is a measurement of energy, and to lose weight, a person must consume fewer than they burn. Learn more here. |
| How can I eat a low-calorie diet as a vegan? Low-calorie foods such as soy, oats, fruit, and popcorn can help people feel full for longer. They are also suitable for vegans and many of those following other diets. Learn more about the best low-calorie foods for vegans here. |
| How long you can live without water The human body requires water to function properly. The ideal amount a person needs depends on several factors including age, sex, and physical activity levels. Learn more here. |
| What to know about simple and complex carbs People digest simple carbs faster than complex ones, and both types provide the body with its energy. Learn more about the difference between simple and complex carbohydrates here. |
| DASH diet reduced heart failure risk 'by almost half' in people under 75 People under 75 who followed a plant-rich diet for reducing high blood pressure had a significantly lower risk of heart failure than those who did not. |
| Can this food additive turn our gut bacteria against us? After conducting a study in mice, researchers claim to have found 'pivotal evidence' that a common food additive is harmful to gut health. |
| Study suggests avocados suppress hunger, but can we trust the research? Clinical trial participants were less hungry and more satisfied after breakfast with avocado than a low-fat meal. But the study received industry backing. |
| How to burn fat if you cannot workout People who are unable to exercise frequently can use other methods to burn fat, such as eating more protein, trying intermittent fasting, reducing stress, and maintaining a healthy sleep pattern. Learn more here. |
| Too much dietary fat in the brain may impact mental health A new study in mouse models shows that a high-fat diet can alter signaling mechanisms in the brain, leading to depression-like behaviors. |
| Breakfast cereals: 'Almost zero correlation' between health claims and nutritional content Four recent studies examined claims appearing on the packaging of food items. They compared the claims with reality and found a significant mismatch. |
| Eat walnuts to lower blood pressure, new study suggests The authors of a new study conclude that for people already at risk of cardiovascular disease, adding walnuts to a low-fat diet could lower that risk. |
| Do we have the wrong idea about the global obesity 'epidemic?' To date, experts have seen urbanization trends as a key driver of the global obesity 'epidemic,' but a major new study now challenges that assumption. |
| What are the best cereals for people with diabetes? Many commercial cereals are high in carbohydrates and contain added sugars. Learn about which cereals are safe for people with diabetes to eat in this article. |
| Diabetes: Best diets for weight loss Reaching and maintaining a healthy weight can help people with diabetes manage their blood sugar and prevent complications. Learn about the best diets to lose weight safely here. |
| Could a computer game help you cut down on sugar? Many adults in the United States reach for unhealthful, sugary foods, with potentially negative health consequences. Could an experimental game help them? |
| What to know about supplements for muscles There is evidence that some beneficial muscle-building supplements include protein, creatine, and caffeine. The best choice depends on a person’s needs. Learn more here. |
| What to know about the Whole30 diet The Whole30 diet involves not eating grains, legumes, dairy, and specific other food groups for 30 days. It is safe to try for most people and may have health benefits. Learn more here. |
| Can drinking mineral-rich water prevent hypertension? A study that links drinking salinated water to lower blood pressure attributes the effect to benefits of calcium and magnesium exceeding harms of sodium. |
| Global alcohol intake has increased by 70%, study warns A large new study shows that global alcohol intake increased sharply between 1990 and 2017. This pattern is set to continue up to 2030, the authors warn. |
| Pain / Anesthetics |
| When to see a doctor for severe stomach pain A wide range of problems and medical conditions can cause severe stomach pain, but not all of them require a visit to the doctor. Learn about the causes of severe stomach pain here. |
| Diabetes leg pain: Everything you need to know If someone with diabetes experiences leg pain, it may be a sign of diabetic neuropathy. Neuropathy is a serious complication. Learn about the possible treatments and home remedies here. |
| Fibromyalgia: Is insulin resistance 'the missing link?' A standard drug for insulin resistance can tackle fibromyalgia-related pain. Could this hallmark of prediabetes offer clues about fibromyalgia? |
| What can cause a bump on the back of the head? A bump or lump on the back of the head is often due to an injury. People with severe head injuries or symptoms of concussion should seek immediate medical attention. Other possible causes of a bump on the back of the head include cysts, fatty growths, inflamed hair follicles, and bone spurs. Learn more here. |
| Urology / Nephrology |
| When to see a doctor for severe stomach pain A wide range of problems and medical conditions can cause severe stomach pain, but not all of them require a visit to the doctor. Learn about the causes of severe stomach pain here. |
| Women's Health / Gynecology |
| Everything you need to know about Pap smears A Pap smear is a routine test that doctors use to look for changes in the cervical cells. These changes may indicate cancer or precancer. Learn more about a Pap smear here. |
| Ways to prevent gestational diabetes Although it is not always possible to prevent gestational diabetes, eating well and exercising regularly to achieve or maintain a healthy weight can reduce the risk. Learn more here. |
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