A new study says that infectious viruses increase the risk of heart attacks

The decline of the frog population is an early warning that something is seriously wrong with living conditions on Earth

It seems that cleanliness has been overrated

Scientists at Abbott laboratories, Illinois, have found a new way to detect the most common sexually transmitted infectious bacterium, Chlamydia trachomatis, which can cause pelvic inflammation and

A group of scientists believe that HIV does not cause the dreaded Acquired Immune Deficiency Syndrome

Are chemicals used during the Gulf War causing sperm mutations among the war's soldiers?

Only a few animals develop symptoms of the acquired immunodeficiency syndrome (AIDS), similar to that seen in human beings. As a result, scientists are unable to test new drugs and vaccines against