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TikTok "cortisol face" may not actually be caused by stress, study finds

Dr. Mallika Marshall reports.

Jul 31, 2024 (01:12)

Next Weather: WBZ midday forecast for Oct. 16, 2026

Next Weather: WBZ midday forecast for Oct. 16, 2026

FBI agent testifies about Sandra Birchmore’s phone data in Matthew Farwell trial

FBI agent testifies about Sandra Birchmore’s phone data in Matthew Farwell trial

Rowers brave rainy start to the Head of the Charles regatta

Rowers brave rainy start to the Head of the Charles regatta

Weekend To Do List: Boston Book Festival, spooky Saturday, fungi foraging

Weekend To Do List: Boston Book Festival, spooky Saturday, fungi foraging

"Diary of a Wimpy Kid" author Jeff Kinney on "Fight or Flight" and "The Getaway" movie

"Diary of a Wimpy Kid" author Jeff Kinney on "Fight or Flight" and "The Getaway" movie

Sweater Weather Film Festival at City Hall Plaza

Sweater Weather Film Festival at City Hall Plaza

Next Weather: WBZ morning forecast for Oct. 16, 2026

Next Weather: WBZ morning forecast for Oct. 16, 2026

Next Weather: WBZ Update

Next Weather: WBZ Update

Rowers arrive in Boston for Head of the Charles Regatta

Rowers arrive in Boston for Head of the Charles Regatta

Gov. Maura Healey, challenger Mike Minogue square off in second debate

Gov. Maura Healey, challenger Mike Minogue square off in second debate

Unauthorized aircraft on Logan Airport runway forces passenger jet to abort landing

Unauthorized aircraft on Logan Airport runway forces passenger jet to abort landing

Teen gunman kills 3 children, teacher at Oregon elementary school

Teen gunman kills 3 children, teacher at Oregon elementary school

How Boston police officers are connecting with older adults in Roxbury

How Boston police officers are connecting with older adults in Roxbury

Teens’ act of kindness made lasting impression on Foxboro mom, boy with autism

Teens’ act of kindness made lasting impression on Foxboro mom, boy with autism

Matthew Farwell's former colleagues, Sandra Birchmore's friend testify in federal trial

Matthew Farwell's former colleagues, Sandra Birchmore's friend testify in federal trial

Next Weather: WBZ Evening Update For Oct. 15

Next Weather: WBZ Evening Update For Oct. 15

Scientists using AI to decipher how rats in Boston communicate

Scientists using AI to decipher how rats in Boston communicate

Women's team with average age of 80-years-old to compete at the Head of the Charles Regatta

Women's team with average age of 80-years-old to compete at the Head of the Charles Regatta

Florida man arrested in disappearance of former fiancée 15 years ago

Florida man arrested in disappearance of former fiancée 15 years ago

Reading man allegedly sent texts to cousin about killing his mother, prosecutors say

Reading man allegedly sent texts to cousin about killing his mother, prosecutors say

Chelsea, Massachusetts, police believe crash that killed 2-year-old was accident

Chelsea, Massachusetts, police believe crash that killed 2-year-old was accident

Next Weather: WBZ Midday Update For Oct. 15

Next Weather: WBZ Midday Update For Oct. 15

Matthew Farwell trial jury hears from friend of Sandra Birchmore

Matthew Farwell trial jury hears from friend of Sandra Birchmore

Newton native stars in "The Young and the Restless"

Newton native stars in "The Young and the Restless"

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