Vaccines are substances that help the body fight off diseases and illnesses. In the past they have helped save millions of lives around the world. Diseases are often caused by bacteria or viruses that attack the human body. A vaccine is a dead or very weak form of such a virus. When you get a vaccinationfrom your doctor the body it gets used to […]
Epilepsy is a disease in which a sudden seizure takes place in the brain. It happens when other actions interfere with normal brain activities. Our brain is the control center in our body which relays messages and commandsto other body parts. When this communication centre is disrupted or doesn’t workproperly it causes disorders in the way we move or behave. Nerve cells communicate with each other through electrical particles. Millions of them travel through […]
Malnutrition is a disorder of your food intake. It occurs when a person eats too little or too much, or has an unbalanced diet. In most cases malnutrition meansundernourishment, a lack of food and not enough calories. It is widespread indeveloping countries. On the other side obesity occurs in developed countries where people eat too much. According to the World Health Organization malnutrition is one of the greatest dangers of global health.Currently, about […]
According to the World Health Organization over a billion adults around the world suffer from high blood pressure. It is now taking steps to fight against what is called a silent killer. High blood pressure can lead to strokes and a heart attack. Almost 10 million people die of these two diseases every year. They are the number one causes of death globally. High blood pressure also leads to kidney failure,blindness and other […]
A headache is a pain in the head which almost everyone feels at one time or another. Almost half of all people have a headache at least once a year. Most headaches are not dangerous but they get in the way of your work and disturbyour life. Although many people see a doctor when they have a headache,physicians normally cannot see […]
Stem cells are basic cells that can change into any other type of cell that our body needs. Most cells in the body begin as stem cells. Then, they grow into tissue of other body parts. Cells in adults have a certain function. Most of these cells, for example, heart orliver cells cannot be changed. Scientists think that they can cure certain diseases by using stem cells. For […]
+ Voiced (âm có thanh)
+ Voiceless (âm gió)
+ Voiceless (âm gió)
+ Voiceless (âm gió)