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The effects of spaceflight on the human body are complex and largely harmful over both short and long term. [1] Significant adverse effects of long-term weightlessness include muscle atrophy and deterioration of the skeleton (spaceflight osteopenia). [2] Other significant effects include a slowing of cardiovascular system functions, decreased ...
They therefore perceive a much reduced color space. Although dichromacy poses few critical problems in daily life, a lack of access to many occupations (where color vision may be safety-critical) is a large disadvantage. Anomalous Trichromats are not missing an opsin gene, but rather have a mutated (or chimeric) gene. They have trichromatic ...
The optic nerve is a bundle of millions of fibers in the retina that sends visual signals to the brain. Damage and death of these nerve cells, or neurons, leads to characteristic features of optic neuropathy. The main symptom is loss of vision, with colors appearing subtly washed out in the affected eye.
Reports link noise pollution to everything from poor cardiovascular health to various ailments like speech interference, hearing loss, sleep disruption, and lost productivity.
A balance disorder is a disturbance that causes an individual to feel unsteady, for example when standing or walking. It may be accompanied by feelings of giddiness, or wooziness, or having a sensation of movement, spinning, or floating. Balance is the result of several body systems working together: the visual system (eyes), vestibular system ...
Vision rehabilitation. Vision rehabilitation (often called vision rehab) is a term for a medical rehabilitation to improve vision or low vision. In other words, it is the process of restoring functional ability and improving quality of life and independence in an individual who has lost visual function through illness or injury. [1][2] Most ...
Oscillopsia is an incapacitating condition experienced by many patients with neurological disorders. [2] It may be the result of ocular instability occurring after the oculomotor system is affected, no longer holding images steady on the retina. A change in the magnitude of the vestibulo-ocular reflex due to vestibular disease can also lead to ...
Your body and mind will thank you - balanced hormones, stronger immune system, better sleep, weight loss, clearer skin. Prior to this year I would drink on average 3-4 nights per week (1-3 drinks ...