Medicine, prevention, nutrition, mental health, healthy aging, health technology, health policy, and the regulation of supplements.
A 2024 guideline from the US-based American College of Gastroenterology uses the ratio of aspartate aminotransferase (AST) to alanine aminotransferase (ALT) only as one part of an alcohol-associated hepatitis assessment. Raw values, symptoms, exposure history and other tests determine follow-up.
The US Centers for Disease Control and Prevention says head-injury symptoms may appear immediately or hours to days later. Older adults can also develop chronic subdural bleeding after minor injuries, making a baseline record and follow-up changes important.
Codex Alimentarius guidance treats “natural” and absence claims as conditional marketing claims, not proof that a packaged food is safer or more nutritious. The ingredient list provides more specific evidence, but national rules determine how each claim and additive must be declared.
Evidence reviews do not support commercial detox programs for removing toxins or alkaline diets for preventing cancer. Ketogenic diets are established treatments for some cases of epilepsy, but weight-loss evidence and safety depend on the regimen and the person using it.
Adults can undergo orthodontic treatment, but appliance choice depends on the teeth, gums, roots and jaws rather than age alone. Clear aligners and fixed braces can produce similar results in some cases, while complex treatment and unsupervised mail-order care carry greater uncertainty.
Root canal treatment removes inflamed or infected pulp, cleans and seals the canals, and preserves the outer tooth. The treated tooth can still develop decay or fracture, and the appropriate final restoration depends on its location and remaining structure.
The European Food Safety Authority sets a reference intake of 0.83 grams of protein per kilogram of body weight a day for adults. Athletes, some older people and those with chronic kidney disease need different evidence and, in some cases, clinical guidance.
The World Health Organization advises moving to the coolest room at night and using air conditioning with a fan when available during a heatwave. Fans, bathing and bedding serve different purposes, and no single bedroom temperature suits every sleeper or climate.
UC San Diego researchers reported on July 8, 2026, that a surgeon remotely controlled a humanoid robot during two gallbladder operations on pigs. The study showed technical feasibility, but human bedside assistance, repeated recalibration and sterility problems remain barriers to clinical use.
A 2020 network meta-analysis of 125 trials found that several desensitizing toothpaste ingredients reduced pain from exposed dentin. Brief pain may fit dentin sensitivity, but lasting or spontaneous pain requires dental assessment because decay, a crack and pulp inflammation can feel similar.
WHO postnatal guidance calls for partners, families and health workers to support both feeding and maternal well-being after birth. Practical help can reduce the burden, while pressure to breastfeed is associated with worse anxiety, stress and birth-trauma symptoms.
The World Health Organization said in June 2026 that contaminated food causes an estimated 866 million illnesses and 1.52 million deaths each year. Most suspected cases cannot be identified from symptoms alone, but dehydration, bloody diarrhea and an inability to keep liquids down require prompt medical assessment.
Updated United Kingdom health guidance directs parents to swallowing, diaper output and weight gain when assessing whether a breastfed newborn is getting enough milk. A single pumping session records what the pump removed, while the baby's condition and feeding pattern determine whether clinical assessment is needed.
Researchers in South Korea and the United States reported two manufacturing advances for stretchable electronics in 2026. One kept liquid-metal conductors working under repeated strain, while the other put a dense computing array on a stretchable patch, but neither study tested a finished implant in people.
A systematic review published in January 2026 found that generative AI increased the volume, speed and perceived credibility of health misinformation in the available studies. Clinicians can use the same tools to draft public information, but the evidence and professional guidance leave accuracy, privacy and disclosure with the person who publishes it.
A 2026 laboratory study found that freeze-dried platelet-rich plasma could be rehydrated after storage, but it did not test pain relief or tissue repair in patients. Published human evidence for the freeze-dried product remains too limited to borrow treatment claims from conventional platelet-rich plasma.
A 2024 New Zealand study linked pressure to breastfeed with higher anxiety, stress and birth-trauma symptoms four weeks later. A separate systematic review found limited but generally favorable evidence for partner help, including household and childcare work.
A July 30, 2026 Coldcard advisory showed how a random-number integration error could remain hidden while security-sensitive outputs still looked valid. The same failure pattern matters in health information systems that generate pseudonyms and SMART on FHIR authorization secrets.
