Cancer, How Cancer Starts, How Cancer Spreads, Where and Why, Animation.

The number of cells in a tissue is determined by the balance between cell division and cell death. Uncontrollable cell division leads to formation of abnormal growths called tumors. Tumors can be benign or malignant. Benign tumors are slow-growing and constrained by surrounding connective tissue so they do NOT spread to other organs. They can still be harmful or even […]

Heart Sounds and Heart Murmurs, Animation.

When a healthy heart beats, it makes a “lub-dub” sound. The first heart sound “lub”, also known as S1, is caused by the closing of the AV valves after the atria have pumped blood into the ventricles. The second heart sound “dub”, or S2, originates from the closing of the aortic and pulmonary valves, right after the ventricles have ejected […]

Lung Cancer Symptoms: What To Look For

>>>DR. DAVID S. HANSON: David S. Hanson, MD, FACP: Let us talk for a minute about the signs and symptoms of lung cancer. Lung cancer is a very common illness and it is oftentimes seen in people who abuse cigarettes or other forms of tobacco. So when a person has a new cough, blood in their sputum, unexplained weight loss, […]

Clinical Trial Research on Heart Disease

BEFORE, I WAS LIVING WITH THE IDEA THAT ANY TIME I CAN DIE. FEAR — CONSTANTLY. THE TRIAL WAS AN OPEN DOOR OF POSSIBILITIES. THERE IS LIFE OUT THERE, AND I HAVE TOO MUCH TO DO. Aglae: SHE TALKED TO HER DOCTOR AND SAID, “IS THERE A WAY I CAN DO SOMETHING FOR MY HEART?” THERE HAS TO BE SOMETHING. […]