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, ...

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

A parasite cleanse is a diet, herbal supplement, or other product that claims to get rid of parasites in your body. People who promote these cleanses claim that parasites are the cause of digestive ...