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Vaping is accompanied by a shift in balance of the autonomic (reflex) nervous system toward sympathetic predominance, which is also associated with increased cardiac risk. Daily vaping is correlated with an increased risk of myocardial infarction in health surveys.
Concerns exist in respect to adolescence vaping due to studies indicating nicotine may potentially have harmful effects on the brain. [95] Nicotine exposure during adolescence adversely affects cognitive development. [1] Children are more sensitive to nicotine than adults. [77]
An ocular manifestation of a systemic disease is an eye condition that directly or indirectly results from a disease process in another part of the body. There are many diseases known to cause ocular or visual changes.
This is an accepted version of this page This is the latest accepted revision, reviewed on 1 February 2025. Circumstances, mechanisms, and factors of tobacco consumption on human health "Health effects of smoking" and "Dangers of smoking" redirect here. For cannabis, see Effects of cannabis. For smoking crack cocaine, see Crack cocaine § Health issues. "Smoking and health" redirects here. For ...
The human eye is an organ which reacts to light for several purposes. As a conscious sense organ, the eye allows vision. Rod and cone cells in the retina allow conscious light perception and vision including color differentiation and the perception of depth. The human eye can distinguish about 10 million colors. [3]
Vaping-associated pulmonary injury (VAPI), [4] also known as vaping-associated lung injury (VALI) [1] or e-cigarette, or vaping, product use associated lung injury (E/VALI), [2] [a] is an umbrella term, [15] [16] used to describe lung diseases associated with the use of vaping products that can be severe and life-threatening. [3]
In contrast, AIR is an acquired condition where the immune system attacks retinal cells, often leading to more rapid vision deterioration and additional symptoms such as photophobia and color vision loss. While both conditions affect the retina, AIR tends to progress faster and can be associated with a history of cancer or systemic inflammation.
A human visual system model (HVS model) is used by image processing, video processing and computer vision experts to deal with biological and psychological processes that are not yet fully understood. Such a model is used to simplify the behaviors of what is a very complex system. As our knowledge of the true visual system improves, the model ...