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The actor Chris Hemsworth is opening up about the experience of his father, Craig Hemsworth, with early-stage Alzheimer’s disease and his efforts to help his dad combat the illness by accessing powerful long-term memories.As documented in the National Geographic film Chris Hemsworth: A Road Trip to Remember, which debuts November 23, the Thor star took his father on a 200-mile motorcycle journey across Australia as a way to explore an Alzheimer’s treatment called reminiscence therapy.“My dad and I are going on a road trip back into our past,” Chris says in a trailer for the film. “I want to do everything…

Poor sleep can negatively impact your blood pressure because of what happens in your body when you don’t get enough. Missing sleep can increase stress, inflammation and fluid retention and disrupt your body. To get more sleep, limit caffeine, keep dinner early and create a calm bedtime routine. You probably already know that getting enough sleep helps you feel rested and focused. But those seven to eight hours each night also give your cardiovascular system time to recover. During deep sleep, your heart rate slows and blood pressure naturally dips, giving your blood vessels a break from the day’s workload. When you…

Luke TaylorRio de JaneiroNew guidance published by the US Centers for Disease Control and Prevention (CDC) suggesting vaccines may cause autism has been slammed by medical and autism advocacy groups.A CDC webpage which previously stated there was no link between vaccines and autism was changed on 19 November.1The page now reads, “The claim ‘vaccines do not cause autism’ is not an evidence based claim.”The revised webpage—part of a resource aiming to provide the public with science backed information on health matters—goes on to say, “Scientific studies have not ruled out the possibility that infant vaccines contribute to the development of…

Metabolic Elite and Hofseth BioCare (HBC) will work together to develop a “premium range of performance nutrition products for elite athletes.”The products will be available for pre-order at A4M, the Longevity Fest event taking place from Dec. 12 to 14 in Las Vegas, a spokesperson for HBC told NutraIngredients. The initial launch will target the United States, but the brands are expected to be available in Canada soon.“I’m excited to collaborate with HBC to create a breakthrough medical nutrition brand,” said Jim LaValle, chief science officer of Lifetime and founder of Metabolic Code, a cloud-based performance health end to end…

Based on its survey of more than 2,000 adults across the UK, digital healthcare provider Numan reveals Britain’s relationship with obesity treatment and perceptions is changing. UK consumers are in the middle of a mindset shift, with GLP-1 weight loss medications becoming more mainstream, after once being dismissed as a celebrity fad. Numan’s published second annual State of Obesity 2025 report found that 60% of those surveyed identified themselves as living with overweight or obesity. Nearly a quarter (24%) have been prescribed a GLP-1-based medication, while 47% know a friend, family member, or colleague who has.Moreover, over two-fifths (41%) of…

Metformin may blunt blood vessel improvements gained from exercise.Effects were strongest during high-intensity workouts in older adults.Experts recommend speaking to a doctor before changing medication routines. A new study suggests metformin, one of the most widely used diabetes medications, may dampen some of the blood vessel benefits people typically get from exercise. Researchers from Rutgers University found that adults at risk for metabolic syndrome who exercised while taking metformin didn’t see the same improvements in vascular insulin sensitivity as those who exercised without the medication. Exercise helps blood vessels respond better to insulin, improving blood flow to muscles. Metformin also…

On the left is integrase in its “intasome” structure of four identical four-part complexes (pink) that connect to create one 16-part complex that locks around viral DNA (blue). On the right is integrase in its simpler four-part complex (pink), as it interacts with viral RNA (green) inside an HIV capsid. [Salk Institute] Symptoms from HIV infection can currently be managed with lifelong treatment. However, there is no cure and new targets are needed due to the development of drug resistance. A promising treatment target is the retroviral integrase enzyme which has two roles in the viruses replication cycle, each requiring…

Sweet potato pudding may have predated pumpkin pie in the South.The 1827 recipe comes from Virginia’s first published cookbook.Sweet potatoes offer fiber, antioxidants and holiday flavor. Sure, holiday dinners are big on main courses like herb-roasted turkey and perfect prime rib, but the real stars of the holiday food spread might just be the sweet desserts. After all, there’s a reason we’re ordering peppermint mochas and pumpkin spice lattes earlier and earlier each year: sweet holiday flavors bring us a bit of merriment and channel nostalgia. But if you’ve already worn yourself out on pumpkin pie-flavored treats this season, there’s…

Boris Johnson’s government repeatedly did “too little, too late” in response to the covid pandemic and could have saved 23 000 lives in England if a lockdown had been imposed a week earlier, the UK Covid-19 Inquiry has concluded.1Delays in imposing measures to combat the SARS-CoV-2 virus were “inexcusable,” said the inquiry’s chair, the retired appeal court judge Heather Hallett. Had the government put in place stringent restrictions by 16 March 2020 to limit its spread, mandatory lockdown from 23 March might conceivably have been avoided altogether, the report added.Advisory restrictions such as contact tracing, self-isolation, household quarantine, face coverings, and…

Credit: 7activestudio / Getty Images Researchers at the Perelman School of Medicine at the University of Pennsylvania have developed an experimental chimeric antigen receptor regulatory T cell (CAR Treg) to target oxidized low-density lipoprotein (OxLDL) as a potential immunotherapy for coronary artery disease (CAD) driven by atherosclerosis. The preclinical findings, published in Circulation, show that redirecting regulatory T cells to suppress inflammation associated with OxLDL may reduce plaque development in the arteries. “Our study shows for the first time how CAR T cell technology could be used to treat the underlying cause of the most common form of heart disease,…