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The antennas contained in mobile phones, including smartphones, emit radiofrequency (RF) radiation (non-ionizing "radio waves" such as microwaves); the parts of the head or body nearest to the antenna can absorb this energy and convert it to heat or to synchronised molecular vibrations (the term 'heat', properly applies only to disordered molecular motion).
The UV-B flux is 2–4 times greater during the middle 4–6 hours of the day, and is not significantly absorbed by cloud cover or up to a meter of water. [47] Ultraviolet light, specifically UV-B, has been shown to cause cataracts and there is some evidence that sunglasses worn at an early age can slow its development in later life. [18]
Cardiovascular disease is a catchall term for any condition that affects the heart or blood vessels. It can have many potential causes, including genetics, lifestyle habits, and underlying health ...
Sex differences in medicine include sex-specific diseases or conditions which occur only in people of one sex due to underlying biological factors (for example, prostate cancer in males or uterine cancer in females); sex-related diseases, which are diseases that are more common to one sex (for example, breast cancer and systemic lupus erythematosus which occur predominantly in females); [1 ...
The most infamous flea-to-human transmitted disease is the bubonic plague, which was caused by the bacterium Yersinia pestis. The plague, fevers, tularemia: The diseases fleas can carry and how to ...
A male genital disease is a condition that affects the male reproductive system. The human male genitals consist of testicles and epididymides , ductus deferentes , seminal vesicles and ejaculatory ducts , prostate , bulbourethral glands , and penis .
Engaging in 'weekend warrior' type of physical activity may reduce the risk of over 200 conditions, including type 2 diabetes and high blood pressure, a new study finds. ... Also, they only ...
A localized disease is one that affects only one part of the body, such as athlete's foot or an eye infection. Disseminated disease A disseminated disease has spread to other parts; with cancer, this is usually called metastatic disease. Systemic disease A systemic disease is a disease that affects the entire body, such as influenza or high ...