Air pollution in Dhaka poses significant health risks to its residents due to the high levels of pollutants in the air. Particulate matter (PM), nitrogen oxides (NOx), sulfur dioxide (SO2), and volatile organic compounds (VOCs) are among the pollutants found in abundance, leading to various adverse health effects. Exposure to these pollutants has been linked […]
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Exercise eye health
Exercise plays a crucial role in maintaining overall health and well-being, including the health of our eyes. Regular physical activity promotes proper circulation throughout the body, including the eyes, which helps deliver essential nutrients and oxygen to the ocular tissues. Additionally, exercise can help reduce the risk factors associated with certain eye conditions, such as […]
Eye health
Eye health encompasses a wide range of practices and habits aimed at maintaining the well-being and functionality of the eyes. It involves preventive measures to safeguard against various eye conditions and diseases, as well as treatments to address any existing issues and preserve vision. Central to eye health is the importance of regular eye examinations, […]
Health risks heatwaves diseases
Heatwaves pose significant health risks to individuals, communities, and populations, particularly in urban areas where the effects of heat are amplified by the urban heat island effect. Prolonged exposure to high temperatures can lead to a range of adverse health outcomes, from mild heat-related illnesses to more severe conditions, including heatstroke, dehydration, and exacerbation of […]
How does sleep deprivation affect our physical health?
Sleep deprivation, whether chronic or acute, exerts a significant toll on physical health, affecting various physiological processes and increasing the risk of numerous health problems. One primary consequence of sleep deprivation is its impact on the cardiovascular system. Chronic sleep deprivation has been associated with an increased risk of hypertension (high blood pressure), heart disease, […]
How does sleep deprivation affect our physical health?
Sleep deprivation can have profound effects on physical health, impacting various body systems and increasing the risk of numerous health problems. One significant consequence of sleep deprivation is its impact on the cardiovascular system. Chronic sleep deprivation has been linked to an increased risk of hypertension (high blood pressure), heart disease, stroke, and irregular heartbeat. […]
Is it unhealthy to get 4 hours of sleep?
Getting only four hours of sleep on a regular basis can have significant negative impacts on both physical and mental health. Sleep is essential for overall well-being, and consistently shortchanging sleep can lead to a range of health issues. Firstly, inadequate sleep is associated with an increased risk of chronic health conditions such as obesity, […]
UV radiation
Ultraviolet (UV) radiation is a form of electromagnetic radiation emitted by the sun and artificial sources, with wavelengths ranging from 10 to 400 nanometers. UV radiation is classified into three main categories based on wavelength: UVA (320-400 nm), UVB (280-320 nm), and UVC (100-280 nm). While the Earth’s atmosphere filters out most UVC radiation, UVA […]
Skin pigmentation affects
Skin pigmentation affects various aspects of human physiology, including protection against harmful UV radiation, regulation of vitamin D synthesis, and susceptibility to certain skin conditions. Pigmentation is determined by melanin, a pigment produced by melanocytes in the skin, which absorbs and scatters UV radiation to protect underlying tissues from DNA damage. However, differences in skin […]
Optimal vitamin D levels
Optimal vitamin D levels are essential for overall health and well-being, playing a crucial role in various physiological processes, including bone health, immune function, mood regulation, and overall vitality. Vitamin D is a fat-soluble vitamin that can be synthesized in the skin upon exposure to ultraviolet (UV) radiation from sunlight or obtained through dietary sources […]