One effect is the release of the stress hormone cortisol, says Dr. Gupta. Cortisol works to suppress nonessential-in-an-emergency functions, like your immune response and digestion.

Discover how Florence Nightingale transformed nursing and hospitals. Find out more with Bitesize KS1 History.

Brooks attempts father-son bonding with Seth, but their heart-to-heart turns into a grilling session. Charlie’s family lunch gets uncomfortable when his mom’s boyfriend spills the tea. At Gia ...

Season 2 Digital Series: The Valley cast determine who has the best fashion taste, plus some Vanderpump Rules alums make an appearance.

The latest news and headlines from Yahoo News. Get breaking news stories and in-depth coverage with videos and photos.