Persons most commonly affected: All age groups and both sexes.

Organ or part of body involved: The whole body.

Symptoms and indications: frequent colds and flus, recurring parasitic infections, initially mild infections that become serious, opportunistic infections (infections by organisms that are usually well controlled by a healthy immune system, such as toxoplasmosis, cryptococcosis, and cytomegalovirus), and cancer.

Prevention: All forms of sugar (including honey) interfere with the ability of white blood cells to destroy bacteria. Alcohol intake, including single episodes of moderate consumption, interferes with a wide variety of immune defenses. Alcohol