What causes HIV?     HIV is caused by a virus. It can spread through sexual contact, illicit injection drug use or sharing needles, contact with infected blood, or from mother to child during pregnancy, childbirth or breastfeeding. HIV destroys CD4 T cells — white blood cells that play a large role in helping your body fight disease.   How long can you live with HIV witho...

Diarrhoeal disease is the second leading cause of death in children under five years old, and is responsible for killing around 525 000 children every year. Diarrhea can last several days, and can leave the body without the water and salts that are necessary for survival. In the past, for most people, severe dehydration and fluid loss were the main causes of diarrhea deaths. Now, other causes such...

1.  About blood Blood is made up of many different components. There are red blood cells and white blood cells, which carry oxygen and help fight infection, respectively. There are platelets, which help your blood clot. Then there's blood plasma, which supplies the body with things like nutrients and hormones. Your blood plasma contains antibodies, which are substances your immune system uses...

What is insulin ?   Insulin is a chemical messenger that allows cells to absorb glucose, a sugar, from the blood. it naturally occurring hormone made by your pancreas that helps your body to use sugar for energy.   A delicate balance of insulin regulates blood sugar and many processes in the body. But If your pancreas can’t work as it should, it may not make or release the insulin ...

Coronavirus disease (COVID-19) is an infectious disease caused by the SARS-CoV-2 virus. It had impact all the people’s life with more than 3 years. But now with the virulence wanes Most people infected with the virus will experience mild to moderate respiratory illness and recover without requiring special treatment. Although some will become seriously ill and require medical attention. Olde...

What Is Respiratory Syncytial Virus?   Respiratory syncytial virus （RSV）, is a common respiratory virus that usually causes mild, cold-like symptoms. Most people will recover in a week or two weeks, but RSV can be serious, especially for infants and older adults. RSV is the most common cause of bronchiolitis) and pneumonia in children younger than 1 year of age in the United States.   Wh...

The World Health Organization estimates that tens of millions of people worldwide suffer from diarrhoea every day and that there are 1.7 billion cases of diarrhoea each year, with 2.2 million deaths due to severe diarrhoea.  And CD and UC, easy to repeat, difficult to cure, but also secondary gastrointestinal infection, tumor and other complications. Otherwise  Colorectal cancer has the ...

Gastric cancer is a life-threatening disease, and the 5-year survival rate of progressive gastric cancer is less than 30% and the quality of life is low even if it had been received comprehensive treatment mainly by surgery, But most early gastric cancers can be treated radically under endoscopy and the 5-year survival rate is over 90%.   Therefore, universal screening for early gastric cance...

  Monkeypox is a rare disease caused by infection with the monkeypox virus. Monkeypox viruses are in the same family of viruses as variola, the virus that causes smallpox. The symptoms of monkeypox are similar to those of smallpox, but milder, and monkeypox is rarely fatal. Monkeypox is not related to chickenpox.   The Spread method of Monkeypox ♦Human-to-human Transmission Mode &n...