https://livewellnews.com/ Reporting on human-health, physiology and ageing research - what the evidence actually says, properly cited, never medical advice. en Fri, 17 Jul 2026 00:00:00 GMT https://livewellnews.com/articles/hiit-older-adults-muscle/ https://livewellnews.com/articles/hiit-older-adults-muscle/ Fri, 17 Jul 2026 00:00:00 GMT Fitness & Exercise In a 6-month trial of more than 120 healthy older adults, high-intensity interval training reduced fat while holding onto muscle, unlike moderate exercise, which shaved a little. The authors say the differences between intensities were small. https://livewellnews.com/articles/calcium-vitamin-d-fractures-falls/ https://livewellnews.com/articles/calcium-vitamin-d-fractures-falls/ Fri, 17 Jul 2026 00:00:00 GMT Supplements A review of 69 randomized trials and more than 150,000 people found that for healthy older adults, calcium, vitamin D, or both together did little to prevent fractures or falls. https://livewellnews.com/articles/semaglutide-biological-aging/ https://livewellnews.com/articles/semaglutide-biological-aging/ Fri, 17 Jul 2026 00:00:00 GMT Longevity & Ageing Researchers reanalyzed a 32-week trial of semaglutide in 84 adults and found the drug slowed several DNA-based clocks of biological aging. The aging analysis was exploratory, and the group studied was specific. https://livewellnews.com/articles/vitamin-c-brain-gray-matter/ https://livewellnews.com/articles/vitamin-c-brain-gray-matter/ Fri, 17 Jul 2026 00:00:00 GMT Brain & Mental Health In 2,044 older adults in Japan, those with lower vitamin C in their blood tended to have less gray matter and weaker connections in a key brain network. It is a snapshot, so it cannot show that vitamin C protects the brain. https://livewellnews.com/articles/creatine-menopause-brain/ https://livewellnews.com/articles/creatine-menopause-brain/ Thu, 16 Jul 2026 00:00:00 GMT Supplements Researchers ran one of the first randomized trials of creatine in women going through menopause. At a modest daily dose, the supplement edged out a placebo on reaction time, brain creatine and cholesterol, though the study was small and lasted only eight weeks.