David Leon

Recommended Articles

• AIDS: What you Need to Know

  HIV and AIDSAIDS and HIV go hand in hand. First, let's talk about HIV (Human Immunodeficiency Virus). HIV attacks the body's immune system. This was first discovered in Central Africa from chimpanzees. It is believed to be transferred to humans when humans hunted chimpanzees and came in contact with...

• What Should I Know About Bruises?

  A bruise is a skin injury in which the color of the skin changes due to the breakage of blood vessels under the skin. The affected skin becomes blue or black in color, as blood accumulates just under the surface of the skin, resulting in a raised area or bump. These bumps are painful and may take a...

• What are Electronic Cigarettes?

  First introduced in China, E-cigarettes, or electronic cigarettes, are devices that make nicotine vapors for inhaling. It is battery powered, and is a popular choice for people who do not want to inhale smoke that is in normal cigarettes. It is considered as an alternative for tobacco lovers as the...

• What is Large Cell Carcinoma?

  Large cell carcinoma, is a kind of lung cancer, is classified as Non-small cell lung cancer (NSCLC), and prevails in 80-85% of people who have lung cancer. This is compared to small cell lung cancer, which affects 10-15% of people.In large cell carcinoma, there will be an abnormal growth in the size...

• What is a Transient Ischemic Attack?

  Also considered as a mini stroke, a transient ischemic attack (TIA) has symptoms similar to that of a stroke, but lasting only for a short period of time, without causing any permanent damage. TIA is often caused by the interruption of blood flow to the brain by a blood clot. Once the blood flow is...

• NBC Today's Hoda Kotb Opens Up About Her Personal Fight with Breast Cancer

  For Hoda Kotb, cancer brought something to her life that ended up saving her. Most people know Hoda Kotb as the positive and energetic co-anchor of NBC News TODAY, but what people don't know is that she didn't always live her life this way.Back in her early 40s, Hoda was going through a tough time....