Is fear contagious?

Fear isn't just personal--it spreads through sight, smell, and even subconsciously. Horror movies may be scarier in a crowded movie theater. Breakthroughs, discoveries, and DIY tips sent every weekday. We've all felt it: heart racing, palms sweating, stomach clenching--the iron grip of fear. Whether it's the sudden threat of an out-of-control vehicle or the nervous wait before a job interview, we all have felt fear's sudden grip.