You won't believe #2 made the list!

People like cats. Up to 15 percent of the population are allergic to them, however, largely thank to a particular allergen called Fel d 1, which is produced by your kitty's salivary, sebaceous, ...

PHILADELPHIA — Any cat lover who has watched an allergic friend react to a beloved pet knows the dark powers that lurk in that luxurious feline fur. Within minutes, an allergic human exposed to a cat ...

Maddy has a degree in biochemistry from the University of York and specializes in reporting on health, medicine, and genetics. Maddy has a degree in biochemistry from the University of York and ...