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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.
Health effects arising from the September 11 attacks. Within seconds of the collapse of the World Trade Center in the September 11 attacks, building materials, electronic equipment, and furniture were pulverized and spread over the area of the Financial District of Lower Manhattan. In the five months following the attacks, dust from the ...
An eye neoplasm is a tumor of the eye. [1] A rare type of tumor, [2] eye neoplasms can affect all parts of the eye, and can either be benign or malignant (cancerous), in which case it is known as eye cancer. [3] Eye cancers can be primary (starts within the eye) or metastatic cancer (spread to the eye from another organ).
Post-chemotherapy cognitive impairment (PCCI) (also known in the scientific community as " CRCIs or Chemotherapy-Related Cognitive Impairments " and in lay terms as chemotherapy-induced cognitive dysfunction or impairment, chemo brain, or chemo fog) describes the cognitive impairment that can result from chemotherapy treatment.
Photokeratitis or ultraviolet keratitis is a painful eye condition caused by exposure of insufficiently protected eyes to the ultraviolet (UV) rays from either natural (e.g. intense direct or reflected sunlight) or artificial (e.g. the electric arc during welding) sources. Photokeratitis is akin to a sunburn of the cornea and conjunctiva.
In a comparison of genotoxic effects of MRI compared with those of CT scans, Knuuti et al. reported that even though the DNA damage detected after MRI was at a level comparable to that produced by scans using ionizing radiation (low-dose coronary CT angiography, nuclear imaging, and X-ray angiography), differences in the mechanism by which this ...
The venous hypertension also contributes to the head swelling seen in photos of astronauts and the nasal and sinus congestion along with headache noted by many. There is also subsequent venous hypertension in the venous system of the eye which may contribute to the findings noted on ophthalmic exam and contributing to the visual disturbances noted.
Melanoma is the most dangerous type of skin cancer; it develops from the melanin -producing cells known as melanocytes. [1] It typically occurs in the skin, but may rarely occur in the mouth, intestines, or eye (uveal melanoma). [1][2] In women, melanomas most commonly occur on the legs; while in men, on the back. [2] Melanoma is frequently referred to as malignant melanoma. However, the ...