During Africa’s dry season, when mosquitoes are scarce, malaria parasites in human blood turn their genes on and off to keep numbers low so infection doesn’t set off alarm bells for the immune system, ...

Anyone who has weathered a bad stomach bug knows the feeling: a loss of appetite that sets in and lingers, even after the ...

Parasitic infections can come from water, food, sexual contact, and insect bites. There are many different types of parasitic infections. This includes infections that can affect your lungs and ...

Some people online believe many of us have dangerous parasites in our gut and need to flush them out with herbal supplements.