Various Health
Diverse health research and cross-disciplinary studies. General health insights and scientific curiosities.
Everyday Advice
People do not die of old age: aging weakens the body and disease causes death
A common phrase says someone “died of old age.” Medicine says otherwise. Doctors do not certify “old age” as a…
videoMedCircle: mental health interviews with psychiatrists & psychologists
Mental health interviews with world-class psychiatrists & psychologists, providing mental health advice packed with actionable takeaways and clear explanations of…
You should wear sunscreen every day
Wearing sunscreen daily is essential for protecting your skin from harmful UV rays, which can cause premature aging, skin damage,…
Study Findings
Breaking routine with new skills improves memory in older adults
Breaking routine to learn a hard new skill, such as digital photography, improved memory in a 14-week trial of adults aged 60 to 90. More varied days tracked with sharper thinking, but not with memory.
videoHow to slow visible aging in skin, nails, and hair
Harvard professor David Sinclair and co-host Matthew LaPlante discuss methods to slow or reverse cosmetic aging, focusing on skin, hair,…
CBD products ineffective and potentially harmful for pain management
A new study from the University of Bath has found that cannabidiol (CBD) products do not provide effective relief for…
Massage and other touch ease pain, anxiety, and depression
A Nature Human Behaviour review of 137 controlled studies found that touch, mostly massage, eased pain, anxiety, and depression in adults and helped newborns gain weight, with medium-sized effects.
Dancing is just as good for your mental health as any other form of exercise
A systematic review found that structured dance interventions significantly improve psychological and cognitive health, often equaling or surpassing the benefits…
Boiling hard tap water removes up to 90% of its microplastics
In a 2024 lab study, boiling hard tap water for five minutes removed up to 90% of the nano- and microplastics floating in it by trapping them in limescale. In soft water, boiling removed about 25%.
Lab Research
How to spot fake scientific journals that publish anything for money
Beall’s List is a resource that helps researchers identify potentially predatory journals and publishers. It categorizes publishers and journals that…
Red light boosts color vision after 40 but can harm kids’ retinas
A small UCL trial found that deep red LED light improved color vision in adults over 40, while laser red light devices used to slow myopia in children exceed retinal safety limits.
New method to improve eyesight using red light therapy
The study demonstrates that exposure to 670-nm red light can improve mitochondrial function in the retina, enhancing vision, particularly for…
videoNo solid proof backs mewing, and Mike Mew was struck off
Mewing, holding the tongue against the roof of the mouth, has no solid evidence that it reshapes the jaw or face. In 2024 the UK dental regulator struck off Mike Mew, its best-known promoter, over unsupported treatment claims.
Unexpected health benefits of recreational cannabis use in adults over 45
Recent research using data from the Behavioral Risk Factor Surveillance System (BRFSS) suggests that non-medical cannabis use in adults aged…
Samsung’s Galaxy Watch 7 launched without a blood sugar sensor
Samsung's Galaxy Watch 7 launched in July 2024 without the blood sugar sensor a spring report had predicted. The FDA warns that no smartwatch is authorized to measure blood glucose on its own.