Without treatment, an HIV-infected child is at greater risk of disease progression to AIDS than an adult. Initiation of early treatment in infants shows an undeniable clinical benefit by reducing the risk of death in early childhood. It may also be accompanied by a significant reduction of the viral reservoir (the amount of total viral DNA present in the immune cells of patients), which could promote the accumulation of conditions required for remission.
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The placenta has an essential and highly complex task: it must ensure the exchange of important substances between the mother and her unborn child, whilst simultaneously blocking other substances from passing through. Until now, it has not been fully understood what the permeability of the placenta depends on – after all, it is incredibly difficult to investigate its function in humans directly.
It has long been accepted that regular exercise can assist in helping to prevent or reduce the risk of a multitude of health problems. However, a new study on US audiences published in the Journal of Health Communication, reports that the public respondents to a survey were largely unaware that an insufficient level of exercise can contribute to an increased risk of certain types of cancer, such as colon and breast.
Ninth-grader Nafisa Mehrin of Holy Cross Girls' High School in Dhaka has found a box at a dedicated corner of her school where she can drop written questions related to adolescence. Her question is picked up by a counsellor designated for the school, under a flagship project called “Generation Breakthrough” of the United Nations Population Fund (UNFPA). The counsellor provides answers to Nafisa's queries in the same box.
To test for malignancy or monitor the effectiveness of cancer treatment, a person's tissue must be extracted, sent to a lab, stained and analyzed by a pathologist–a process that can take days to complete and is subject to human error.
Chagas disease, caused by infection with a parasite called Trypanosoma cruzi (T cruzi), causes chronic heart disease in about one-third of those infected. Over the past 40 years, the Chagas disease has spread to areas where it had not traditionally been seen, including the United States, according to a new American Heart Association scientific statement published in the American Heart Association journal Circulation.
The outbreak of the deadly Ebola in the Democratic Republic of Congo has spread outside the province of North Kivu according to a statement made by the country’s health ministry. With this the viral infection has reached an active conflict zone and this may mean that it could spread wider now.