Common causes of gas and bloating include: 1  Swallowed air. 2  Foods and beverages. 3  Lactose intolerance. 4  Constipation. 5  Medicines or nutritional supplements. 6  A medical condition, such as a bowel obstruction or Crohn's disease. 7  Changes in hormone levels.
HIV and AIDS social issues. In many regions, social issues increase the risk of HIV infection making it difficult to tackle the global HIV epidemic effectively. Certain groups of people are more affected by HIV than others. Sometimes this is because they engage in high-risk behaviours, while others experience stigma and discrimination that stops them from approaching HIV services.
AIDS is the most severe phase of HIV infection. People with AIDS have such badly damaged immune systems that they get an increasing number of severe illnesses, called opportunistic illnesses. Without treatment, people with AIDS typically survive about 3 years. Common symptoms of AIDS include chills, fever, sweats, swollen lymph glands, weakness, and weight loss.