AIDS/HIV

Acquired immunodeficiency syndrome (AIDS), caused by the human immunodeficiency virus (HIV), is a disease which destroys the immune system and makes the affected person vulnerable to opportunistic inf...

AIDS/HIV - Worldwide distribution and Risk of Transmission

Worldwide AIDS surveillance is undertaken by the World Health Organisation. Reports received from collaborating centers around the world are compiled and the numbers are added up to arrive at the curr...

Breast Cancer / Carcinoma of the Breast

Breast cancer is a cancer that starts in the cells of the breast in women and men. Breast cancer is about 100 times as frequent among women as among men, but survival rates are equal in both sexes.

Calcium and Vitamin Supplements

Calcium and vitamin supplements can help when there is a real deficiency of some micronutrients, but their use without indication in healthy people is controversial. Some supplements can raise the lev...

Constipation

Constipation means having hard stools that are difficult to pass. Exercise, a diet with lots of fruits and vegetables, and drinking plenty of water can help constipation. But if you have sudden consti...