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Dr. Leila Haghighat

Leila Haghighat is on ABC News. Get Leila Haghighat’s latest news stories and articles, connect with millions of users and join the conversation at ABC News.

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PHOTO: Defense Secretary Pete Hegseth makes an announcement in this screen grab taken from a handout video from an unknown location, released on July 15, 2026.
Secretary Of Defense Pete Hegseth/X via via Reuters

What to know about testosterone after Defense Secretary Pete Hegseth directs screening for troops over 30

PHOTO: The Lower Manhattan skyline is pictured as wildfire smoke from Canada causes hazy conditions, in New York, on July 15, 2026.
Angela Weiss/AFP via Getty Images

How to protect yourself from poor air quality as wildfires burn in Canada

Katie Couric poses as Mariska Hargitay makes her Broadway debut in "Every Brilliant Thing" on June 2, 2026 in New York City.
Bruce Glikas/WireImage

Katie Couric reveals transient global amnesia diagnosis: What to know

PHOTO: The sun rises behind the Manhattan skyline during high temperatures in Jersey City, N.J, July 2, 2026.
Michael Nagle/Bloomberg via Getty Images

Amid heat wave, doctors warn of health risks for people taking GLP-1 drugs

PHOTO: Stock image of people walking through an office.
Connect Images/STOCK PHOTO/Getty Images

Hourly movement breaks can help counter effects of prolonged sitting, study finds

PHOTO: GLP-1 self-injectable devices in Mumbai, March 17, 2026.
Indranil Mukherjee/AFP via Getty Images

Doctor breaks down study showing GLP-1s may lower breast cancer risk

PHOTO: A girl sits at a table, using a glucometer to measure her blood sugar.
Getty Images

Inhaled insulin now FDA-approved for kids 6 and over with diabetes

PHOTO: Stock photo of a dog and cat being fed.
Simpleimages/STOCK PHOTO/Getty Images

Can I get hantavirus from my pet? Here's what pet owners should know

Healthy lifestyle and medical concept
Seb_ra/Getty Images

PCOS gets a new name: What to know about the most common hormonal issue affecting women

People gather on a lawn at Central Park on an unseasonably warm spring day in Manhattan on May 05, 2026, in New York City.
Spencer Platt/Getty Images

Could 8,500 daily steps help keep weight off?