A red, parasitic worm turned out to be behind the woman's wide array of symptoms. | Credit: Hossain, M., Kennedy, K. J., ...

Red blood cells normally cannot move on their own; they lack any of the cell structures needed for movement. Instead, they deliver oxygen throughout the body by going with the flow of blood. So, when ...

Scientists have found that a special component in some people's blood provides them with natural protection against malaria.

Most people exposed to the parasites behind babesiosis don't get sick, but for others, the infection can be deadly. When you purchase through links on our site, we may earn an affiliate commission.