A rare parasite can quietly grow inside the heart, imitating everyday cardiac symptoms until it becomes deadly. Few ...

Siobhan Ryan, 63, is one of 3,000 people in the UK who claim that either they or their family members have developed forms of ...

When Amanda Harbron first went to the doctors with persistent abdominal pain she was dismissed and told it was probably ...

"My year of unraveling" is how a despairing Christy Morrill described nightmarish months when his immune system hijacked his ...

Toxoplasmosis is prevalent worldwide, caused by Toxoplasma gondii, an obligate intracellular pathogenic protozoan. Cats are the definitive hosts of T. gondii, while warm-blooded animals, including ...