Sleep paralysis can be a confusing, frightening and occasionally pleasant experience — and it's more common than you might think!
Do your fingers turn white and blue when you are cold or stressed out? It might indicate Raynaud's disease.
The sympathetic nervous system activates the "fight-or-flight" response, quickly readying the body to handle dangerous or stressful situations.
Since days of yore, the royal line of succession to the British throne — like most monarchies — was based on primogeniture.
Fried rice syndrome is a type of food poisoning named for the food its most commonly associated with.
These synthetic chemicals have been included in numerous household products for more than eight decades, but are they safe?
Mumps is an unpleasant and highly contagious disease, but a simple two-dose vaccine is 88% effective against the infection.
The Hebrew Bible tells numerous stories about King David but there's very little archaeological evidence linked to his existence.
Watching more than 2 million wildebeest and other migrating mammals travel hundreds of miles is one of the many spectacular natural events that occur in the Maasai Mara National Reserve.