The term “mental illness” refers to a wide variety of diseases, which are disorders that affect mood, thinking and behavior. Examples of mental illness include depression, anxiety disorders, eating disorders […]

Viruses are smaller than bacteria and need living hosts, like humans to multiply. Otherwise, they cannot survive. When a virus enters your body, it invades some of the cells and […]

Allergies occur when the immune system reacts to a foreign substance (such as pollen, bee venom or pet dander) or a food that does not cause a reaction in most […]

Acute sinusitis causes inflammation of the cavities that surround the nasal passages (sinuses). This hinders drainage and causes accumulation of mucus. When you suffer from acute sinusitis, you may feel […]

This infection is very contagious and is transmitted by direct contact with ulcers, or sometimes with the affected area when there is no ulceration. Herpes causes blisters or ulcers in […]

The thyroid is a gland located in the neck, above the trachea. This gland fulfills a very important function in the body, since it is responsible for regulating the metabolism […]