Dr. Michael H Kelleher MD

Do I Have a Sleep Disorder?Sleep normally follows a pattern that alternates between rapid eye movement (REM) sleep and non-REM sleep. Changes in this pattern affect sleep resulting in disorders that may lead to tiredness and lack of concentration and attention during day time. Sleep can be disrupted...

Introduction Chikungunya is a viral infection that is transmitted by mosquitoes. The chikungunya virus causes a sudden onset of fever along with severe joint pain. The illness is not considered as contagious, but in rare instances, the virus can get transmitted through contact with a person's...

Running barefoot may be more beneficial than running with cushioned shoes, according to a study published in, Nature. Runners using cushioned shoes usually land on their heels when those running barefoot may land flat-foot or on the balls of their feet, say researchers. According to Daniel...

The appendix found in the human body was long the subject of debate among doctors all over the world in their journals and reviews. However, very few of these debates have turned out to be worthy of serious consideration because the majority of doctors have conceded the fact that the appendix serves...

What is a charley horse?A charley horse is a term used when referring to a muscle cramp or spasm. Although muscle cramps can occur in any muscle in the body, they are commonly experienced in the leg. In a muscle spasm, the muscle uncontrollably contracts and does not relax. When the contracting...

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:...