Peer-reviewed research concerning nervous, summarized and appraised in plain language with every source cited.
This study tested whether active virtual reality gaming (AVRG) could help young men with mild to moderate depression get more physical activity and improve their mental health. Researchers randomly assigned…
This study tested whether a six-week, unsupervised high-intensity interval training (HIIT) running program on campus could improve fitness, sleep, and body composition in sedentary male university students. Fifty-six students were…
This study set out to see if moderate-intensity walking could improve glucose tolerance after a night of partial sleep restriction, as high-intensity exercise has been shown to do. Eleven healthy,…
This review looked at how psychological stress might affect male fertility through oxidative stress. It synthesized animal studies and human observational data to explore the link between stress, oxidative damage,…
This systematic review set out to understand how common brain fog and cognitive impairment are in people with long COVID, and how these symptoms play out over time. It pooled…
This study looked at how starting a workout well-hydrated or under-hydrated affects sweating and thinking during moderate exercise. Thirty active men were tested in one state or the other, with…
This study set out to compare how men and women respond to a 12-week Mediterranean-style weight-loss diet, focusing on changes in body fat, eating habits, and mental health. It followed…
This study looked at how depression, testosterone levels, and shift work are linked in men with symptoms of low testosterone. It reviewed medical records and survey data from 766 men…
This study set out to evaluate whether botulinum toxin injections near the scrotum or testicles affect male fertility. It reviewed animal studies and human case reports, focusing on outcomes like…
This study tested how different doses and timing of caffeine affect sleep in men who usually drink moderate amounts. It compared a placebo, 100 mg, and 400 mg of caffeine…
This study set out to compare outdoor 'walk-and-talk' therapy with conventional indoor therapy for men with low mood. Thirty-seven men with mild to moderate depression (mean PHQ-9 score of 11.4)…
This study set out to examine how sleep quality and daytime sleepiness together affect injury risk in physically active university students. It analyzed data from 418 students (199 males, 219…
This scoping review set out to map the evidence on how psychosocial work factors affect male fertility and sperm quality. It analyzed 18 peer-reviewed studies from 1990 to 2024, focusing…
This study looked at whether a short, high-dose creatine (a compound stored in muscle that helps regenerate quick energy for short, hard efforts) routine improves sleep, performance, thinking, and recovery…
This study set out to see whether men who like and seek out sunlight have less depression and better sleep. It used 7,306 American men from NHANES (a large, recurring…
This study looked at how light exposure affects sleep in professional athletes. It tracked 17 male Australian Football players for 14 days, using wrist devices to measure sleep and light…
This study set out to measure how the amount of caffeine in the blood tracks with sleep depth and heart activity. Twenty-one healthy young men took either 160 mg of…
This review asked whether the amount of activity men already do tracks with depressive symptoms. It pooled 5 observational studies covering 35,811 men. Each study had labeled men as inactive,…
This study looked at whether sleep duration affects markers of male fertility in young men. It analyzed 1,055 Danish men who reported their sleep habits and gave semen and blood…
This study looked at whether taking ZMA, a supplement combining zinc, magnesium and vitamin B6, before bed for two nights could improve sleep and next-day performance in healthy active men.…
This study set out to test whether ashwagandha, a traditional herb, could reduce stress and fatigue in overweight or mildly obese adults aged 40-75 who reported high stress and fatigue.…
This study looked at whether short-term sleep loss affects bone health markers in healthy men. Twelve men who normally slept 7-9 hours a night spent time in a sleep lab,…
This meta-analysis set out to clarify how sleep deprivation affects testosterone levels in healthy men. It pooled data from 18 studies involving 252 men, comparing testosterone levels after partial sleep…
This study set out to see how severe sleep restriction affects appetite, food intake, and appetite-regulating hormones in healthy young men. It compared three nights of very little sleep (2…
This study asked whether a man's tendency to zone out after short sleep predicts whether his working memory and spatial skill keep improving with practice. Fifteen healthy young men slept…
This study looked at whether changes in how alert, motivated or effortful a man feels explain why some handle sleep loss better than others. Fifteen healthy young men had three…
This study set out to see whether a regular daytime coffee habit disturbs sleep in young men who already drink it. Twenty men went through three 10 day conditions, daily…
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 looked at how going without sleep affects muscle recovery after hard exercise. Ten men did 240 hard lengthening contractions of the thigh muscles, then either stayed awake for…
This study looked at whether cutting sleep short changes testosterone in healthy young men, across two separate trials. In the first, 14 men had 4 hours in bed for 5…
This study looked at how sleep duration relates to semen quality and reproductive hormones in young men. It recruited 796 male college students in Chongqing, China and followed up 656…
This study looked at whether spending time relaxing in a forest (forest therapy) could lower blood pressure and stress in middle-aged men with high-normal blood pressure. Men walked and did…
This study looked at whether catching up on sleep at the weekend improves insulin sensitivity and hormones in men who habitually sleep too little in the week. Nineteen such men…
This study set out to test whether spending a short time in a forest has measurable health benefits compared to staying in a city. Twenty healthy young men were split…
This study set out to see how cutting sleep affects glucose handling and hormones in young men. Fourteen healthy men were kept in a laboratory for two nights of 10…
This study set out to see how mild dehydration affects thinking and mood in young men. It compared three conditions: dehydration from exercise plus a diuretic, dehydration from exercise alone,…