An ecologist shares his passion for parasites. From their vital roles in nature, to strange super powers and extraordinarily complex life cycles, parasites are natural wonders worthy of protection.

Parasite, zombie, leech—these words are often used to describe people in unkind ways. Many of us recoil when ticks, tapeworms ...

In some cases, sexually transmitted infections (STIs) cause no noticeable symptoms. When they do occur, STI symptoms in males can include discharge, bleeding, painful blisters, and more.

Brainworm headaches, a man with more penises than arms, and butt eels are just a few of this year’s macabre medical ...

It’s probably been a minute since you last thought about COVID-19, making it natural to wonder about its symptoms in 2024. Are they any different? The same? Of course, if you're feeling sick ...