An herb native to islands in the South Pacific. Substances taken from the root have been used in some cultures to relieve stress, anxiety, tension, … [Read more...]

A disease caused by infection with the yellow fever virus, which is carried by mosquitos. Symptoms include body aches, chills, fever, severe headache, weakness, … [Read more...]

In Chinese philosophy, yin and yang are opposite forces that form a whole. Everything contains both yin and yang in a balance that is always changing, such as … [Read more...]

A substance that may be found in higher-than-normal amounts in the blood of patients with certain types of cancer and inflammatory diseases. It is a type of … [Read more...]

A substance that is being studied as a treatment for advanced prostate cancer and for pain caused by prostate cancer that has spread to the bone. It belongs to … [Read more...]

An ancient system of practices used to balance the mind and body through exercise, meditation (focusing thoughts), and control of breathing and emotions. Yoga … [Read more...]

A tree native to West Africa. The bark is used as a supplement for bodybuilding and to enhance male sexual performance. It contains the chemical yohimbine, … [Read more...]

A metal of the rare earth group of elements. A radioactive form of yttrium may be attached to a monoclonal antibody or other molecule that can locate and bind … [Read more...]

A radioactive form of the rare metal yttrium that is used in radiation therapy to treat some types of tumors. Yttrium Y 90 can be linked to a molecule, such as … [Read more...]

A substance being studied in the treatment of some types of cancer. M5A is a monoclonal antibody that binds to a protein called CEA on the surface of some tumor … [Read more...]