Health & Fitness

Researchers have identified objective evidence of how the neck muscles are involved in primary headaches, according to a new study.

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People with personality traits such as conscientiousness, extraversion and positive affect are less likely to be diagnosed with dementia than those with neuroticism and negative affect, according to a new analysis. The difference was not linked to physical damage to brain tissue found in dementia patients, but more likely to how certain personality traits help people navigate dementia-related impairments.

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The evolution of higher cognitive functions in humans has so far mostly been linked to the expansion of the neocortex. Researchers are increasingly realizing, however, that the 'little brain' or cerebellum also expanded during evolution and probably contributes to the capacities unique to humans. A research team has now generated comprehensive genetic maps of the development of cells in the cerebella of human, mouse and opossum. Comparisons of these maps reveal both ancestral and species-specific cellular and molecular characteristics of cerebellum development.

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If you're looking for a skincare revamp, try these optimal skincare products to nurture your microbiome levels.

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Researchers have found certain immune cells can still fight cancer even when the cancer cells lack an important protein that the immune system relies on to help track down cancer cells.

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Our ability to pay attention to tasks—a key component of our everyday lives—is heavily influenced by factors like motivation, arousal and alertness. Maintaining focus can be especially challenging when the task is boring or repetitive.

from Top Health News -- ScienceDaily https://ift.tt/690X1MF

One voice does not fit all when it comes to virtual assistants like Siri and Alexa, according to researchers who examined how customization and perceived similarity between user and voice assistant (VA) personalities affect user experience. They found a strong preference for extroverted VAs -- those that speak louder, faster and in a lower pitch. They also found that increasing personality similarity by automatically matching user and VA voice profiles encouraged users to resist persuasive information.

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