📰 Making these 11 lifestyle changes could ward off Alzheimer’s, expert says
Research developments in Alzheimer’s disease have led to the approval of new blood tests for early detection, aiding in the earlier diagnosis of patients. Dr. Daniel Amen, a psychiatrist and brain imaging doctor, emphasized the importance of protecting brain health to prevent Alzheimer’s. He highlighted that half of Alzheimer’s cases are preventable by addressing 11 major risk factors through his BRIGHTMINDS acronym. Amen stressed the significance of maintaining good blood flow to the brain by avoiding behaviors like sedentary lifestyle and excess weight. He also recommended learning new things daily, reducing inflammation, and optimizing sleep for brain health and Alzheimer’s prevention.
📰 Old people smell,’ lung cancer risks and morning workout warnings
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📰 CDC declares bird flu emergency over as experts warn of possible fall resurgence
The U.S. Centers for Disease Control and Prevention (CDC) has officially declared an end to the bird flu emergency, which was activated on April 4, 2024, due to declining animal infections and no human cases since February. Starting July 7, the CDC will integrate bird flu updates with routine influenza updates. Data on people monitored and tested for bird flu will now be reported monthly, and highly pathogenic avian influenza (HPAI) updates for animals will be on the USDA website. The CDC reassures that there is no person-to-person spread currently, and the public health risk is low. Nationally, there have been 70 human cases of bird flu and one death, with concerns about H5N1 spreading among poultry and other species. Dr. Marc Siegel from Fox News highlights the seasonal pattern of migratory birds affecting the current numbers, expecting a surge in the fall.
📰 Children’s health declines in last 17 years, study finds
A new study published in the Journal of the American Medical Association reveals a decline in the physical and mental health of U.S. children over the past 17 years. The study, led by Dr. Christopher Forrest, identified a generalized decline in kids’ health across 170 indicators and eight data sources. U.S. children were found to be 15% to 20% more likely to have chronic conditions like anxiety, depression, or sleep apnea compared to 2011. Childhood obesity rates increased from 17% to about 21% during the study period, and American kids faced various health challenges such as early menstruation, sleep issues, and depressive symptoms. The study also highlighted higher mortality rates among U.S. children compared to those in other high-income countries, with factors like premature birth, sudden unexpected death, firearm incidents, and motor vehicle crashes contributing to the disparity. The findings underscore the urgent need for addressing the broader health ecosystem in which children are growing up, as highlighted by experts like Dr. Frederick Rivara and Dr. Christopher Forrest.
📰 Never smoked? You could still be at risk of developing lung cancer, doctors warn
Lung cancer, the second-most common cancer in the U.S., is often linked to smoking, but up to 20% of cases affect non-smokers or light smokers. The USPSTF does not recommend lung cancer screening for never-smokers due to potential risks outweighing benefits. Non-small cell lung cancer (NSCLC) and small cell lung cancer (SCLC) are the two main types, with NSCLC being more common and SCLC being more aggressive. The share of lung cancers in never-smokers, especially women and Asian patients, is increasing due to factors like reduced smoking rates and improved imaging techniques. Risk factors for non-smokers include air pollution, secondhand smoke, radiation exposure, and genetic predisposition.
The decline in smoking rates has led to a decrease in overall lung cancer incidence, but new diagnoses are rising among non-smokers, particularly women and younger adults. Lifestyle interventions like exercise and diet can offer some protection, and former smokers remain at elevated risk even after quitting. Inherited genetic predisposition and specific mutations play a role in non-smoking-related lung cancers. Current U.S. screening guidelines focus on high-risk individuals based on age and smoking history, but there is interest in expanding eligibility to include non-smoking risk factors.
Expanding screening may lead to overdiagnosis and false positives, but new tools are being developed to better assess the malignancy risk of nodules. It is important to differentiate between benign and cancerous nodules to avoid unnecessary harm from overdiagnosis.
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