Bisphenol A (BPA) is a chemical building block used in polycarbonate plastic and epoxy resins production. Polycarbonate plastic is lightweight, tough, has optical clarity and high heat resistance. Due to these characteristics, polycarbonate is being used for a variety of common products including digital media (like CDs and DVDs), electrical and electronic equipment, automobiles, sports safety equipment, reusable food and drink containers and man ...

The sun The sun produces invisible rays called ultraviolet-A (UVA) and ultraviolet-B (UVB) rays that can cause sunburn, suntan, and sun damage to the skin. Too much exposure to the sun can additionally cause sunburn, skin texture changes, and skin cancers. Cloudy days are dangerous too since UV radiation reaches the earth and can damage the skin. Sun poisoning Sun poisoning is a nonscientific term that refers to different sun-allergic reaction ...

When I first came across the term "heartburn", I thought it is some kind of heart disease as it is associated with the word "heart". However, after browsing through dictionary, I then realized that it has nothing to do with the heart. The term "heartburn" may come from the fact that hydrochloric acid from the stomach comes up the esophagus because of a problem with the cardiac sphincter, a valve that contains the wo ...

Feeling tired is a normal occurrence considering our busy and stressful life-styles. We all feel tired occasionally. Taking some time to rest, relax as well as a good night sleep should resolve the problem in most people and get them back on track with the every day activities. However, for some, tiredness can be a more serious problem. At any given time, 1 in every 5 people feel unusually tired, and 1 in 10 have prolonged fatigue. The problems c ...

Esophagitis, inflammation of the lining of the esophagus, that tube that carries food from the throat to the stomach, can get pretty uncomfortable if left untreated. Untreated esophagitis can cause problems swallowing, ulcers and even scarring of the esophagus. If complications occur, esophagitis could lead to development of so-called "Barrett's esophagus", which predisposes a patient to the cancer of the esophagus.Most people will not ...