Dr. Robert Michael Lehman M.D.

Lactose is a compound of two simple sugar molecules. It is formed by the condensation of galactose and glucose, found in a large variety of dairy products including milk, cheese, cream, and yogurt. Lactose is produced naturally by all mammals to nurse their offspring’s. In nursing infants and...

Just hearing the word grief can evoke feelings of sadness, but is grief just “being sad”? Or is it something more complex? The word itself seems to have a stronger meaning than “sad.”According to the Mayo Clinic, for many people, including those diagnosed with a chronic illness, grief is a...

Arthritis is a term used to describe about two hundred different types of ailments that affect the joints and its cartilage and surrounding connective tissue. These diseases are progressive degenerative diseases and can be very painful. Because arthritis has such a vast range of causes and symptoms,...

What is insomnia?In today's busy world, there are some people who regard sleep as a luxury rather than a necessity. They do not seem to have any issues to spend more hours at work in addition to other activities. Due to heavy workload and other activities, there would be lesser time for a physical...

The 3,500 calorie rule of dieters states that since there are 3,500 calories in one pound of fat, eating 500 fewer calories per day helps to lose one pound in a week. Researchers do not accept this rule, as it does not account for the reduction in the metabolic rate, loss of muscle mass, and other...

There exist many symptoms that make the mononucleosis disease similar to other diseases, which makes it very difficult to distinguish it from other infections. Doctors administer treatment of the patient by giving him or her a physical test. This annual test checks out the patient's medical history....