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  1. The desire for a sculpted physique is driving some amateur gymgoers to experiment with synthetic steroids—specifically, testosterone supplements. This trend is largely being driven by social media, with thousands of posts discussing ways to boost testosterone levels, and high-profile influencers promoting the supposed benefits of using the synthetic hormone—and even recommending products that anyone can purchase online without a prescription.
  2. Receiving a cancer diagnosis is life-changing and can cause a range of concerns about ongoing health.
  3. In the battle against diseases, the human body boasts an intricate defense network capable of identifying and neutralizing threats—the immune system. It serves as a guardian, constantly patrolling the body to keep it safe from invaders like bacteria, viruses, and even cancer cells.
  4. Over 350 million surgeries are performed globally each year. For most of us, it's likely at some point in our lives we'll have to undergo a procedure that needs general anesthesia.
  5. Atrial fibrillation (AF) is the most common form of arrythmia or irregular heartbeat worldwide, impacting millions of people in the U.S. alone. In a study published in Heart Rhythm, researchers from Brigham and Women's Hospital, a founding member of the Mass General Brigham health care system, analyzed real-world clinical data to measure the impact of evidence-based best-practices on patient outcomes for the most common AF procedure: radiofrequency (RF)-based ablation.
  6. Climate change is making the symptoms of certain brain conditions worse, our new review published in The Lancet Neurology has found. Conditions that can worsen as temperature and humidity rise include stroke, migraines, meningitis, epilepsy, multiple sclerosis, schizophrenia, Alzheimer's disease and Parkinson's.
  7. Menopause is a natural biological process that marks the end of a woman's reproductive years, typically between 45 and 55. As women approach or experience menopause, common "change of life" concerns include hot flushes, sweats and mood swings, brain fog and fatigue.
  8. Wireless implantable cardioverter-defibrillators (ICDs) eliminate the lead-related complications that come with a wired ICD, but they are unsuitable for patients with ventricular tachycardia, when the heart beats too quickly, or bradycardia, when the resting heart rate is seen as low.
  9. Many people associate aging with a decline in cognitive function, health issues, and reduced activity. Uncovering mental processes that can boost the well-being of the older adults could be highly beneficial, as it could help to devise more effective activities aimed at improving their quality of life.
  10. The rich research portfolio of the Monell Chemical Senses Center on sweet taste goes way back: Monell scientists were one of four teams in 2001 that found and described the mammalian sweet taste receptor—TAS1R2-TAS1R3. Twenty years later in 2021, a pair of papers published in Mammalian Genome by Monell researchers covered the genetics of sugar-loving mice.
  11. If fruit fly wings do not develop into the right shape, the flies will die. UC Riverside researchers have learned how fly embryo cells develop as they need to, opening a window into human development and possible treatments for birth defects.
  12. A lack of detailed record-keeping in clinics and emergency departments may be getting in the way of reducing the inappropriate use of antibiotics, a pair of new studies by a pair of University of Michigan physicians and their colleagues suggests.
  13. The COVID-19 pandemic is over, but the virus that caused it is still here, sending thousands of people to the hospital each week and spinning off new variants with depressing regularity. The virus's exceptional ability to change and evade immune defenses has led the World Health Organization (WHO) to recommend annual updates to COVID-19 vaccines.
  14. Patients seen by a female gastroenterologist for an initial consultation are less likely to use medical care in the emergency department, hospital or primary care office for two years after their visit when compared to patients initially seen by male gastroenterologists, according to a study presented at Digestive Disease Week (DDW) 2024, held May 18–21, in Washington, D.C.
  15. The World Health Organization recently announced an outbreak of hepatitis E in the eastern Ouaddai province of Chad. Between January and April 2024, 2,093 suspected hepatitis E cases were reported from two health districts. The Conversation Africa asked Kolawole Oluseyi Akande, a consultant gastroenterologist and hepatologist, to explain the causes, symptoms, spread and treatment of hepatitis E.
  16. A strict "keto-friendly" diet popular for weight loss and diabetes, depending on both the diet and individual, might not be all that friendly.
  17. Aerobic training is known to regulate blood pressure more effectively when practiced in the evening than in the morning. Researchers who conducted a study of elderly patients at the University of São Paulo's School of Physical Education and Sports (EEFE-USP) in Brazil concluded that evening exercise is better for blood pressure regulation thanks to improved cardiovascular control by the autonomic nervous system via a mechanism known as baroreflex sensitivity. The study is published in The Journal of Physiology.
  18. A new study of prion diseases, using a human cerebral organoid model, suggests there is a substantial species barrier preventing transmission of chronic wasting disease (CWD) from cervids—deer, elk and moose—to people. The findings, from National Institutes of Health scientists and published in Emerging Infectious Diseases, are consistent with decades of similar research in animal models at the NIH's National Institute of Allergy and Infectious Diseases (NIAID).
  19. Results from a new study suggest that long-term exposure to air pollution leads to increased risk in dementia in Denmark.
  20. A study by Duke and Columbia Universities finds older, non-white adults are more likely to live in areas with higher air pollution and near toxic disposal sites, among or environmental injustices, potentially underlying their cognitive health.

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Fittotravel.net is a provider of comprehensive, up-to-date international travel health information. The website is dedicated to promoting the health of travelers. We seek to improve the quality of travel health advice given to travellers.
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