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Overactive Attention May Keep PPPD Dizziness Going

MHD card showing a tilted head silhouette ringed by spinning motion arcs with a glowing inner-ear spiral and tilted horizon lines, illustrating a review proposing that overactive attention may keep persistent postural-perceptual dizziness going.

Overactive, misdirected attention may be the common thread that keeps persistent postural-perceptual dizziness (PPPD) going, according to a 2026 narrative review. Yang et al. argue it can explain dizziness from busy visual scenes and dizziness while simply sitting or standing still.1 Research Highlights Attention as the link: the review pulled together brain imaging, balance, perception …

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Self-Compassion Linked to Less Depression in Adults With Physical Disabilities

MHD card showing a person seated in a wheelchair with a warm gold glow around the chest beneath a thinning gray cloud, illustrating a survey of US adults with physical disabilities in which self-compassion was linked to less depression.

Adults with physical disabilities who were kinder to themselves and more psychologically flexible reported fewer symptoms of depression, according to a 2026 US survey. Shame was also less closely linked to depression in people who scored high on either trait.1 Research Highlights Shame went with more depression: among 207 adults with physical disabilities, shame was …

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Smelling Dark Chocolate Boosted Workout Reps in Fasted Men

MHD card showing a copper-lit leg-extension machine and a square of dark chocolate with a curl of scent rising from it, illustrating a small trial in which smelling dark chocolate before each set boosted leg-extension reps in fasted men.

Smelling dark chocolate for 30 seconds before each set helped fasted, resistance-trained men complete more leg-extension reps, according to a small 2026 crossover trial. A milk chocolate scent helped too, though less.1 Research Highlights More reps with chocolate smell: after an overnight fast, 23 trained men completed 18 more total leg-extension reps with a 90% …

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Losartan, Especially as Nanoparticles, Eased Cerebellum Damage in Rats

MHD card showing a glowing emerald cerebellum with a tree-like inner branching pattern dotted with amber nanoparticle spheres and a faint rat silhouette, illustrating a rat study in which losartan eased toxin damage to the cerebellum.

In rats with toxin-damaged cerebellums, 4 weeks of the blood-pressure drug losartan reduced oxidative damage, inflammation and tissue injury. A nanoparticle version did better on several tissue and staining measures, but not on gene activity.1 Research Highlights A small rat experiment: 24 male rats in 4 groups of 6. Three groups received carbon tetrachloride (a …

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Sleep and Fatigue Linked Depression and PTSD in Firefighters

MHD card showing a fire helmet silhouette lit by glowing embers beneath a small network of blue and orange nodes joined by bridge lines, illustrating a survey of Chinese firefighters in which sleep difficulties and fatigue linked depression and PTSD symptoms.

Sleep difficulties and tiredness were among the main symptoms linking depression and PTSD in a 2026 survey of 6,240 Chinese firefighters. Women reported somewhat higher scores for both conditions than men, although average scores were low.1 Research Highlights Three main bridges: a questionnaire item on thoughts of death or self-harm, sleep difficulties and feeling tired …

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