Shane Christopher Walker

Recommended Articles

• How to Identify Insect Bites and Stings

  The cause or severity of insect bites or stings can be determined by the symptoms. Most bug bite symptoms cause itchy or painful red bumps. Other insect bites can cause welts or blisters. The following are some clues of common insect bites:...

• Different Blood Types and What They Mean

  The ABO (A, B, AB, or O) blood group system is used to classify different types of antibodies in the plasma and antigens in the red blood cells (RBCs). The ABO blood group and RhD antigen determine the type of blood that is a perfect match for blood transfusions. The four ABO blood groups are: ...

• What Could Lightheadedness Mean?

  What is Lightheadedness?Older adults commonly complain about feeling woozy, lightheaded, or a little faint.The reason may not be something dangerous, but still, if you feel lightheaded, it is better to be careful. Serious injuries due to a fall can result due to lightheadedness even though there...

• What Is Nicotine?

  IntroductionNicotine is an alkaloid stimulant that comes from the nightshade family of plants, particularly from the leaves of tobacco. The type of nicotine found in tobacco plants is called Nicotiana tabacum. Nicotine can also be synthetically produced. Thousands of chemicals are contained in...

• What Causes Middle Back Pain?

  Middle back pain, also known as upper back pain or thoracic back pain occurs anywhere between the bottom of the neck to the top of the lumbar spine, where the rib cage ends. The ribs are connected to the sternum (a narrow thickened plate in the center of the chest) and then wrap round the...

• What Is a Bruise?

  IntroductionBruises, also known as contusions, appear due to certain types of trauma. Bruises are formed when the body’s soft tissues are injured due to bumps, twists, fall, or blow to the body. This injury causes tiny blood vessels and small veins to break and release red blood cells (RBCs)...