Skin cancer is one of the most common types of cancer. It is also one of the deadliest. According to America’s National Cancer Institute, more than one million people in the United States developed skin cancer last year. If found and treated early, skin cancer is one of the easiest cancers to cure. However, if … Read more
As recently as the 1970s, little research had been conducted into a subject that interests most people at some point in their lives. That subject is pain. However, over the years, medical studies have given patients in pain new hope. An international movement known as hospice care has also helped to raise awareness of difficult-to-treat … Read more
Becoming a doctor in the United States is not easy. The first step is to get into medical school. There are more than 120 American schools that offer programmes for those wanting to become doctors.There are many resources from which people can get advice about medical schools. One of these is the Princeton Review. This … Read more
For years, people have wondered whether they are safe from germs when travelling in small, enclosed spaces. They are concerned about coming into close contact with others who may be unwell. The recent spread of the swine flu virus has exacerbated these concerns. Recently, the World Health Organization raised its warning about the new H1N1 … Read more
Today, we will be talking about osteoporosis, a disease that weakens bones, making them more likely to break. Osteoporosis is a silent disease until it develops. If you don’t know you have it, it can cause you harm. Several years ago, a fifty-five-year-old American woman named Jill went skiing. Although she was an experienced skier, … Read more
There are more than two thousand species of mosquito. Only female mosquitoes bite people to drink their blood. Male mosquitoes do not drink blood. Instead, they drink fluids from plants. The female mosquito uses her thin sucking tube to break the skin, locate blood vessels and inject a substance that keeps the blood flowing.The female … Read more
Parkinson’s disease is a disorder of the central nervous system. It is progressive. It worsens over time. It affects a small group of cells located in the middle of the brain. This area is known as the substantia nigra. These cells gradually lose their ability to produce a chemical called dopamine.A decrease in dopamine can … Read more
Asthma is a serious lung condition that makes breathing difficult. According to the World Health Organization, asthma affects around 300 million people worldwide. It is estimated that 250,000 people die from the disease every year. Furthermore, more than 500,000 people are hospitalised. Asthma occurs when the tissue lining the airways to the lungs begins to … Read more
Scientists who study the Earth tell us that the continents and the ocean floors are constantly in motion. This movement can sometimes be violent, causing death and destruction. Today, we examine what causes earthquakes and volcanic activity.The first images of Earth taken from space revealed a solid sphere covered in brown and green landmasses surrounded … Read more
Winter has brought cold weather to many parts of the northern hemisphere of Earth. Along with the cold comes a danger as old as humanity’s knowledge of fire: death or injury by carbon monoxide poisoning. Today, we explore this ancient and ongoing threat. Last month, a sixty-six-year-old man and his twenty-nine-year-old son died from carbon … Read more