Addiction is a condition in which the body must have a drug to avoid physical and psychological withdrawal symptoms. Addiction first is dependence, during which the search for a drug dominates an individual’s life. An ...

Antibiotic resistance occurs when bacteria lose their sensitivity to antibiotics. It develops when a bacteria mutates or acquires a resistance gene. The rapid emergence of resistant bacteria is occurring worldwide, endangering ...

Tooth wear refers to loss of tooth substance by mean other than dental caries or dental trauma which caused by four phenomena .

 Corticosteroids, often known as “steroids”, are man-made drugs that closely resemble cortisol, a hormone produced naturally by the adrenal gland, to regulate growth and immune function. They are anti-inflammatory medications ...

A bioterrorism attack is the deliberate release of viruses, bacteria, or other grams to cause illness or death.

• Choking occurs when a foreign object becomes lodged in the throat or windpipe, blocking the flow of air. • Choking is a leading cause of morbidity and mortality among children, especially those aged 3 years or younger. • ...