(Matt McClain / The Washington Post)

Another EPA official under investigation in CIA scheme

She reportedly approved many of the lavish travel and lodging expenses run up by former official John Beale.

A psychiatrist tries to get schizophrenics off their meds

New studies convinced her that years of prescribing long-term medication may have been doing harm.

Another reason to go to the gym: It may make you smarter

A growing number of studies show that fitness has a long-term influence on cognitive abilities.

More Health and Science news

Petition targets ‘rogue’ killings by Wildlife Services

Petition targets ‘rogue’ killings by Wildlife Services

USDA agents are overstepping their mission of protecting the public and are too secretive, critics say.

Insurance enrollment by Hispanics lagging in California

Insurance enrollment by Hispanics lagging in California

Many of the state’s uninsured are Latino, so the slow pace of sign-ups is causing concern.

Q&A: Smoothing the transitions to new health plans

Q&A: Smoothing the transitions to new health plans

Questions and answers on news from this past week on the Affordable Care Act.

Could cutting down some trees help cool the planet?

Snow-covered fields may cool the atmosphere more than a blanket of green, researchers find.

Father’s diet may affect offspring’s development

Mice whose fathers ate food low in vitamin B9 had a higher rate of birth defects.

Some health-care enrollments weren’t transmitted to firms

Some health-care enrollments weren’t transmitted to firms

Software repairs have helped fix the problem found in a federal analysis.

Flawed health exchange prompts calls to Md. uninsured

Paper applications that were supposed to provide a backup plan to glitchy Web site are adding to delays.

The microbes in your gut may be making you fat

The microbes in your gut may be making you fat

Scientists say each person’s microbes are different, and they determine how one processes food.

Post Health & Science on Twitter

Other news

It takes more than one nit-picking session to stop head lice

Schools should give parent more information about removing lice from their children’s hair.

If you want to make money in science, follow the drugs

A man uses a smartphone in the financial district in San Francisco, California November 6, 2013. REUTERS/Robert Galbraith  (UNITED STATES - Tags: BUSINESS TELECOMS SCIENCE TECHNOLOGY)

Drug companies pay much better than academia. Also: Clothes infused with solar-powered electronics.

Calorie-saving ideas from TV chef Richard Blais

CHICAGO, IL - SEPTEMBER 20:  Chef Richard Blais hosts guests and Chase Sapphire Preferred Visa Signature cardholders at The James Beard Foundation's Taste America: Local Flavor from Coast to Coast benefit dinner on September 20, 2013 in Chicago, Illinois.  (Photo by Timothy Hiatt/Getty Images for Chase Sapphire Preferred Visa Signature)

Try substituting mushrooms for beef. Also: An article outlines the behavioral problems of affluent kids.

TB vaccine may reduce MS symptoms, brain lesions

A doctor manipulates samples at the Institute of Biomedical Research August Pi i Sunyer (IDIBAPS) in Barcelona on December 9, 2013. Hospital Clinic presents today a European project to start clinical trials of a possible therapeutic vaccine against AIDS, in an investigation that is being led by scientists in Barcelona.    AFP PHOTO/ JOSEP LAGOJOSEP LAGO/AFP/Getty Images

Study finds fewer brain lesions and symptoms after newly diagnosed cases are treated with vaccine.

Restless legs syndrome may affect one in 10 adults

HECUhealth1210

The condition is often misdiagnosed, with patients treated inappropriately or dismissed as neurotics.

COLUMNS

AnyBODY

BPA: It’s still everywhere, and its effects are unclear

ATM machine

Mounting evidence suggests we may have more to worry about than once thought.

Do I really need this surgery?

Britain's Prince William (2nd R) and President of the Royal Marsden NHS (National Health Service) Foundation Trust, listens to head surgeon Pardeep Kumar (R) as he observes surgery for the removal of a bladder tumour on a male patient during an official visit to the Royal Marsden hospital in London, on November 7, 2013.  AFP PHOTO / LEFTERIS PITARAKIS/POOLLEFTERIS PITARAKIS/AFP/Getty Images

It’s okay to ask your doctor — and to doubt his response. Advice on how to decide on elective surgery.

Can’t fall asleep? Help may not be in the medicine cabinet.

HEanybody1126

There’s little research showing the effectiveness of over-the-counter sleep aids, even ‘natural’ ones.

How & Why/EcoLOGIC

What’s the greenest way to decorate for the holidays?

HEecologic1210

Hint: It’s more efficient than popcorn — and brighter.

Turkeys: Funny-looking and tasty, but can they fly?

Some can, but probably not the one you will be eating for Thanksgiving. How domestication impeded flight.

The environmental costs of a Thanksgiving meal

HEEcologic1112

Enjoy the turkey, but be aware that the vegetables do less damage to the planet than the bird does.

Urban Jungle

Arriving juncos

Arriving  juncos

Males hang back while females and young birds migrate first.

Medical Mysteries

A wasting-away mystery

MedMysteries 1119

Why did a 14-year-old girl develop sudden weakness and apparent anorexia?

Dripping wet

Janet Ruddock Medical Mystery 1015

A woman couldn’t stop sweating, and the problem wasn’t hot flashes. What was going on?

Emergency surgery followed many missed chances to diagnose illness

HSCover0813

Until he nearly died, the reason for Kevin Songer’s weak muscles went undetected for more than 50 years.

Read more Medical Mysteries

Health, Science & Environment Videos

Obamacare's silver lining?

Obamacare's silver lining?

For all of the issues surrounding the rollout of the President's signature health care law, one part seems to be working pretty well—the expansion of Medicaid. Close to 400,000 Americas have learned they are now eligible to enroll, but some states haven't embraced the expansion.
Can a November surge help Obamacare?

Can a November surge help Obamacare?

The Affordable Care Act saw a surge in the month of November with 173,000 people signing up in their state-run marketplaces. But will young people sign up in the numbers needed to support the program?
Three Obamacare fixes explained

Three Obamacare fixes explained

Wonkblog’s Sarah Kliff breaks down three proposals that would help Obama make good on his promise.
Obamacare’s uniting number

Obamacare’s uniting number

Do Americans think the government can recover from Obamacare's disastrous rollout, or is it too late?
Kliff Notes: How did Obamacare change?

Kliff Notes: How did Obamacare change?

Wonkblog's Sarah Kliff explains how Obamacare is changing after many insurance policies were canceled, and how the president plans to un-cancel some of them.
Kliff Notes: Will Obamacare cancel my plan?

Kliff Notes: Will Obamacare cancel my plan?

Wonkblog's Sarah Kliff explains why a lot of people's health insurance policies might get cancelled.
Kliff Notes: HealthCare.gov's 3 problems

Kliff Notes: HealthCare.gov's 3 problems

Wonkblog's Sarah Kliff walks through the three main problems bogging down the Affordable Care Act's online marketplace.
Kliff Notes: Obama's health care speech

Kliff Notes: Obama's health care speech

Wonkblog's Sarah Kliff shares her "Kliff Notes" for President Obama's remarks defending his signature health care law.
Obamacare Q&A: Are all marketplaces created equal?

Obamacare Q&A: Are all marketplaces created equal?

Wonkblog's Sarah Kliff explains why the Affordable Care Act's health insurance marketplaces are different from state to state.
Obamacare Q&A: Who doesn't have to enroll?

Obamacare Q&A: Who doesn't have to enroll?

Wonkblog's Sarah Kliff explains the exceptions to the Affordable Care Act's individual mandate.