Technically, our intestines are not ‘inside’ us. Think of the classic tube within a tube...

A question I get very often: “Doctor Changa, do I have a parasite?”Parasitic infections are common especially in South and Southeast Asia

Typhoid fever is caused by the bacterium Salmonella typhi. A related illness is caused by a close cousin, Salmonella paratyphi...

Laboratories vary greatly in the quality of analyzers they use, how well they are calibrated, how robust the internal quality controls (IQC) and external quality assessments are...