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‘Baby brain’ is real. 3 things to know about what’s happening to your brain

By CNN

Published: May 21, 2025 at 5:41PM EDT

Pregnancy is one of the three Ps (puberty, pregnancy and perimenopause), a time when a person's brain undergoes physical changes due to hormones. d3sign/Moment RF/Getty Images/File via CNN Newsource

Suspect sought after 3 North York synagogues vandalized

Suspect sought after 3 North York synagogues vandalized

Fatal crash outside Toronto claims 5 lives, including 4 teens

Fatal crash outside Toronto claims 5 lives, including 4 teens

Man jumps on top of SUV in attempt to stop thieves from escaping after B.C. break-in

Man jumps on top of SUV in attempt to stop thieves from escaping after B.C. break-in

Family of barred owls attracts swarms of visitors to Vancouver park

Family of barred owls attracts swarms of visitors to Vancouver park

Calgary man to walk 10 kilometres after more than a decade in a wheelchair

Calgary man to walk 10 kilometres after more than a decade in a wheelchair

Supporters climb 167 steps to raise funds and awareness for military families

Supporters climb 167 steps to raise funds and awareness for military families

Bellefeuille guilty of murder, attempted murder of OPP officers

Bellefeuille guilty of murder, attempted murder of OPP officers

800 jobs to be cut at the passport office across Canada

800 jobs to be cut at the passport office across Canada

McGill researchers identify blood markers linked to teen depression and brain changes

McGill researchers identify blood markers linked to teen depression and brain changes

With summer nearing, SÉPAQ promotes local camping getaways

With summer nearing, SÉPAQ promotes local camping getaways

1 dead after crash in west Edmonton

1 dead after crash in west Edmonton

Northern Alberta man accused of soliciting children for sex on First Nation

Northern Alberta man accused of soliciting children for sex on First Nation

‘Everything’s gone’: Fire at N.B. trailer park leaves man homeless

‘Everything’s gone’: Fire at N.B. trailer park leaves man homeless

Video released by U.S. Coast Guard captures moment of Titan submersible implosion

Video released by U.S. Coast Guard captures moment of Titan submersible implosion

After winning a $5M lottery, this Winnipeg man says his ex-girlfriend ‘ghosted him’

After winning a $5M lottery, this Winnipeg man says his ex-girlfriend ‘ghosted him’

Manitoba First Nation evacuating some residents due to heavy smoke from nearby wildfire

Manitoba First Nation evacuating some residents due to heavy smoke from nearby wildfire

‘It could happen anywhere’: Smaller Sask. communities dealing with toxic drugs

‘It could happen anywhere’: Smaller Sask. communities dealing with toxic drugs

More measles exposure risks reported in Regina, Swift Current

More measles exposure risks reported in Regina, Swift Current

High schools across Canada zoom over to University of Waterloo for annual Electric Vehicle Challenge

High schools across Canada zoom over to University of Waterloo for annual Electric Vehicle Challenge

Crash claims 5 lives in Middlesex County, including 4 teens

Crash claims 5 lives in Middlesex County, including 4 teens

University of Saskatchewan’s oldest graduate earns degree at 87

University of Saskatchewan’s oldest graduate earns degree at 87

Complainant in Sask. human trafficking trial testifies to working ‘dusk to dawn’ without pay

Complainant in Sask. human trafficking trial testifies to working ‘dusk to dawn’ without pay

Crash claims 5 lives in Middlesex County, including 4 teens

Crash claims 5 lives in Middlesex County, including 4 teens

People near Cochrane, Ont., worry about cable ferry service

People near Cochrane, Ont., worry about cable ferry service

Councillor’s refusal to apologize renews concern about deteriorating civility in council chambers

Councillor’s refusal to apologize renews concern about deteriorating civility in council chambers

O’Reilly scores in OT, Knights tip Wildcats 3-2 in Memorial Cup opener for both teams

O’Reilly scores in OT, Knights tip Wildcats 3-2 in Memorial Cup opener for both teams

Mobile screening unit for ‘most common’ cancer stopping by this weekend

Mobile screening unit for ‘most common’ cancer stopping by this weekend

Crash claims 5 lives in Middlesex County, including 4 teens

Crash claims 5 lives in Middlesex County, including 4 teens

Fire wrecks house on University Avenue

Fire wrecks house on University Avenue

Hambleton Golf open on limited schedule amid construction delays

Hambleton Golf open on limited schedule amid construction delays

$40 million lottery ticket sold in B.C., same month as record prize win

$40 million lottery ticket sold in B.C., same month as record prize win

B.C.’s first confirmed tornado of 2025 recorded near Vanderhoof

B.C.’s first confirmed tornado of 2025 recorded near Vanderhoof

Man found guilty of murder, attempted murder in 2023 shooting of three OPP officers

Man found guilty of murder, attempted murder in 2023 shooting of three OPP officers

Man jumps on top of SUV in attempt to stop thieves from escaping after B.C. break-in

Man jumps on top of SUV in attempt to stop thieves from escaping after B.C. break-in

Ban cash: French minister coins novel idea to battle drug crime

Ban cash: French minister coins novel idea to battle drug crime

Inmate manages to escape from a Louisiana jail for the second time in a year

Inmate manages to escape from a Louisiana jail for the second time in a year

Tom Mulcair: No Golden Dome can protect Canada from Donald Trump

Bloc Québécois files legal challenge of Terrebonne riding results after one-vote loss

Several MPs make pitches to colleagues to become next Speaker of the House of Commons

Users report outages for social media platform X

Trump’s latest tariff threats knock Wall Street, European stocks and Apple lower

U.S. Justice Department reaches deal to allow Boeing to avoid prosecution over 737 Max crashes

You should wear sunscreen even if you have darker skin. Here’s why

Teens who sleep longer have improved brain function, study finds

RFK Jr.’s MAHA report raises concerns about vaccines, American foods and prescription drugs

Dissident Iranian filmmaker Jafar Panahi wins Cannes’ top prize. Here’s what he says about his movie

Cannes awards its Palme d’Or trophy to Iranian revenge drama ‘It Was Just an Accident’

San Diego plane crash is a devastating loss to the alternative rock music community

Novak Djokovic clinches his 100th career singles title at Geneva Open

Canadian women lose Pacific Four Series rugby title to New Zealand on a tiebreaker

Blind tennis champion Naqi Rizvi lobbies for sport’s awareness and Paralympic inclusion

What’s so special about orange cats? Turns out they’re freaks of nature

What Kermit the Frog said in a commencement address at a U.S. university

The polyglot next door: How one man found global fame by speaking dozens of languages

Climate & Environment

‘Shaken to the core’: Lac du Bonnet evacuees return to find rubble for homes after wildfire

‘Shrinking Nemo’: Study finds clownfish can shrink to survive higher sea temperatures

6.1-magnitude earthquake jolts Greek islands with no reported injuries

A fungus that can ‘eat you from the inside out’ could spread as the world heats up

Galaxies battle in ‘cosmic joust’ witnessed by astronomers for the first time

How to turn off smart TV snooping features

Fire risk recall impacts 106,000 Audi SUVs in Canada, U.S.

Elon Musk vows to put hundreds of thousands of self-driving Teslas on U.S. roads by the end of next year

California’s plan to ban new gas-powered cars by 2035 could soon hit dead end

Baby animals born at the Toronto Zoo

Hats big and bold take the spotlight at Cannes

Inside Universal's new Epic Universe theme park in Florida

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