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Prolonged exposure is associated with the development of skin cancers, photoaging or premature skin aging, immune suppression, and eye diseases like cataracts. [14] [15] Given these dual effects, public health organizations emphasize the importance of striking a balance between the benefits and risks of UV exposure.
Intrinsic ageing and extrinsic ageing are terms used to describe cutaneous ageing of the skin and other parts of the integumentary system, which while having epidermal concomitants, seems to primarily involve the dermis. [1] Intrinsic ageing is influenced by internal physiological factors alone, and extrinsic ageing by many external factors.
UVA rays are able to penetrate deeper into the skin than UVB rays, damaging the dermal layer as well as the epidermal. The dermis is the second major layer of the skin and it comprises collagen, elastin, and extrafibrillar matrix which provides structural support to the skin. However, with constant UVA exposure, the size of the dermis layer ...
Exposure to non-ionizing ultraviolet light is a risk factor for developing skin cancer (especially non-melanoma skin cancers), sunburn, premature aging of skin, and other effects. Despite the possible hazards it is beneficial to humans in the right dosage, since Vitamin D is produced due to the biochemical effects of ultraviolet light.
Aging researchers explain what inflammaging is and how to manage chronic inflammation as you age.
Ultraviolet (UVA and UVB) radiation in the sun's rays can cause sunburn in varying degrees, early ageing and an increased risk of skin cancer. [14] UV exposure can cause patches of uneven skin tone and dry out the skin. It can reduce skin's elasticity and encourage sagging and wrinkle formation.
The latest recall in the beauty world just happens to involve one of the biggest at-home trends for skincare junkies and one of the leading brands in the industry.
In later years, the free radical theory was expanded to include not only aging per se, but also age-related diseases. [11] Free radical damage within cells has been linked to a range of disorders including cancer, arthritis, atherosclerosis, Alzheimer's disease, and diabetes. [13]