Dr. Cheng H Lin

Cancer is an unhealthy condition in which the cells of a part of the body rapidly divide and thrive without an apparent cause. These abnormally growing germ cells clump together, forming a buildup of tissue called a tumor that sets it apart from normal healthy tissue. When this happens in the...

Hemorrhoids are caused when the veins in the rectum just above the anus get blocked due to external pressure. This causes obstructions in the blood flow and also leads to swelling of the veins. Hemorrhoids are classified as internal hemorrhoids, which are within the anal canal, and external...

Bacteria are microorganisms that thrive in the environment, but they are not always harmful. There are a number of vital functions that are performed by bacteria, which are essential for our day-to-day living. However, sometimes, these bacteria may leave harmful strains on or inside our body. When...

Hemorrhoids can either be internal or external depending on their location. If they develop in the rectum, then they are internal, and if they develop in the anus, they are called as external hemorrhoids. However, internal hemorrhoids can enlarge and move out of the rectum and outside the anus....

Hyperthyroidism refers to the condition when there is an over secretion of thyroid hormones by the thyroid gland in the body. The hormones T3 and T4 are way over their normal levels. Often referred to as an overactive thyroid, there are various causes of this disease, but the one that is most...

Jock itch is a fungal or yeast infection that affects mainly men. The fact that male sufferers vastly outnumber the female sufferers often causes people to believe that women cannot experience jock itch. However, medical professionals have learned that women are not immune to these microbes. The...