Out of more than 3,000 skin diseases, how do you know what condition you have? These 23 skin rash pictures and expert tips ...

The tick may have bitten the woman's eardrum, with enzymes in its saliva causing severe pain, hearing loss and tinnitus.

Lowers body temperature: While humans cool off by sweating or turning on the A/C, cats can cool down by licking. In a 2018 ...

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.