Aging well: the muscle, metabolic, and lifestyle factors associated with a longer, stronger healthspan in men.
This study looked at how a lifetime of endurance exercise affects heart health and muscle strength in older men. It followed 59 men, average age 67, who had been doing…
This study looked at whether low testosterone in middle-aged and older men is tied to worse blood vessel health through effects on mitochondria, the tiny power plants inside cells. Researchers…
This study looked at whether wine drinking affects biological aging in men, using data from the Moli-sani Study in Italy. It tracked over 22,000 adults, comparing how much wine they…
This study looked at how high-intensity interval training (HIIT), where short bursts of hard effort alternate with easier recovery periods, with or without L-citrulline (an amino acid that may boost…
This study looked at whether vitamin D levels are linked to metabolic health, measured by the TyG index (a score from fasting blood sugar and triglycerides that flags insulin resistance,…
This study looked at whether adding avocado and mango to the diet improves blood vessel function and metabolic health in adults with prediabetes. It was a randomized trial where 82…
This study asked how sex hormones relate to the risk of dying, separately for men and women. It analyzed 7,294 U.S. adults in the National Health and Nutrition Examination Survey…
This study set out to assess how exercise affects bone mineral density (BMD) in middle-aged and older men, focusing on different skeletal sites. It pooled data from randomized controlled trials…
This review set out to examine how microplastics (tiny plastic particles) affect the male reproductive system at the cellular and molecular level. It compiled findings from multiple studies across scientific…
This study set out to explore how trace elements in the blood might relate to testosterone levels and symptoms like low energy, mood issues, and sexual health in young men.…
This study followed 2,575 Finnish men aged 42 to 61 for a median of 27.8 years and asked whether sauna habits change how dangerous high blood pressure is. Over that…
This study set out to see how lifestyle and insulin resistance relate to male fertility. Insulin resistance means the body has stopped responding properly to insulin, so it takes more…
This meta-analysis set out to measure how much testosterone men with obesity get back when they lose weight, comparing low-calorie diets with bariatric surgery. It pooled 44 studies covering 1,774…
This study set out to compare how young and older men's hormone levels respond to a night without sleep. It measured testosterone, luteinizing hormone (LH, a pituitary hormone that signals…
This study set out to see if adding protein supplements after workouts and before bed would boost muscle and strength gains from weight training in older men. It compared 41…
This study set out to see how combined lifestyle factors affect the risk of death from any cause, heart disease, and cancer in Chinese men. It followed over 61,000 men…
This study set out to see whether how much oxygen a man's body uses at his aerobic threshold, the point where easy effort starts to get hard, predicts his risk…
This study set out to see whether how often a man used a sauna tracked with his chance of dying, of heart disease or of anything at all. It followed…
This study set out to see if quitting smoking helps Japanese men live longer, given that Japan has had high smoking rates among men. Researchers followed 1,083 Japanese men aged…
This study looked at whether cutting back on cigarettes later in life affects how long men live. It tracked 4,633 Israeli working men who smoked in 1963, checked their smoking…
This study set out to see how changes in fitness and in body weight affect a man's risk of dying, from any cause and from heart disease. It followed 14,345…
This study set out to track how testosterone changes as men age, and whether the change is aging itself or the illnesses and medications that come with it. It measured…
This study looked at whether zinc levels affect testosterone in healthy men. It compared zinc levels and testosterone in 40 men aged 20 to 80, induced zinc deficiency in 4…