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New research finds there is significant variation in the anatomy of the human digestive system, with pronounced differences possible between healthy individuals. The finding has implications for understanding the role that the digestive tract’s anatomy can play in affecting human health, as well as providing potential insights into medical diagnoses and the microbial ecosystem of the gut.

Sauna heat therapy reduces blood pressure in middle-aged people, according to researchers at Brigham Young University in Utah. The study also revealed that its specific sauna method lowered body core temperature more than methods used in prior heat studies. Researchers presented their work at the American Physiology Summit, held in Long Beach, California, April 20–23.

Chromosomal errors are a hallmark of cancer cells. Defects in the genome derived from the incorrect separation of chromosomes (and the DNA packed within) in each division of cells drive tumor growth and resistance to therapy.

Citizens who challenged the appointment of 20 judges of the superior courts by the President have urged the Constitutional Court to nullify the appointments for having been done in contravention of constitutional values and principles. 

A pilot study conducted at Hospital for Special Surgery (HSS) shows evidence that a mid-calf nerve block is a safe and effective regional anesthetic option for foot and ankle surgeries and may enable faster recovery of motor function of the ankle joint compared with a popliteal block. These findings were presented at the 2023 Spring American Society of Regional Anesthesia and Pain Medicine Annual Meeting.

Problems with the brain’s ability to “prune” itself of unnecessary connections may underlie a wide range of mental health disorders that begin during adolescence, according to research published today.

In a study conducted at Hospital for Special Surgery (HSS), researchers found that the use of peripheral nerve blocks in total knee and total hip arthroplasty were associated with a consistent reduction in risk for postoperative complications in patients with a lower comorbidity burden. In particular, the most consistent reduction in risk of complications and use of hospital resources was in older patients with no comorbidity burden. These findings were presented at the 2023 Spring American Society of Regional Anesthesia and Pain Medicine Annual Meeting and were acknowledged as one of the President’s Choice Abstracts.

Researchers at Karolinska Institutet in Sweden have investigated how preterm birth and fetal growth are related to the risk of atrial fibrillation up to middle-age. The study, which is published in JAMA Pediatrics, shows that being born preterm or large for gestational age was associated with increased risks of atrial fibrillation later in life. Being small for gestational age at birth was only associated with an increased risk of atrial fibrillation up to the age of 18.

Getting vaccines to people who need them isn’t always easy. Many vaccines require cold storage, making it difficult to ship them to remote areas that don’t have the necessary infrastructure.

The World Health Organization (WHO) currently recommends oral iron taken twice daily as the standard of care in developing nations, but adherence to this treatment is poor.