Fleming (1928) began to sort through Petri dishes containing colonies of Staphylococcus, bacteria that cause boils, sore throats and abscesses. He noticed something unusual on one dish. It was dotted with colonies, except ...

Introduction : The thyroid gland is an endocrine gland in the neck. The gland makes two hormones that are secreted into the blood (thyroxine (T4) and triiodothyronine (T3). These hormones are necessary for the normal ...

Vitamin D, also known as “calciferol,” is one of the four fat soluble (dissolve in fat) vitamins (A, D, E, and K) stored in body tissues. Vitamin D is the only vitamin that can be synthesized by the human body. Your own ...

The bones contain minerals such as calcium, phosphorus, and vitamin D that help keep bones strong. Osteoporosis is a condition of weakness or lack of bone density, which leads to the bones fragility and ease of breaking. ...

Bullying sometimes hurts physically but always hurts emotionally. It wears down self-esteem and self-confidence because it makes those who are bullied feel weak. There is an imbalance of power so that the bullied is unable ...

Alzheimer's disease is a neurological disorder which causes the death of cells and memory loss and change in behavior. A person can live with Alzheimer's disease for just a few years. More often, however, people live with ...

Hemophilia is across when your blood does not clot normally. That means your body has problems stopping bleeding, both outside and inside your body, and it comes from your genes. You can inherit it from your parents.

Time management is the process of planning and controlling how much time to spend on specific activities. Good time management allows an individual to complete more in a shorter period of time, lowers the amount of stress, ...