A serious malady required only a simple fix

(Family Photo)

MEDICAL MYSTERY | Because of his rare ailment, Peter Dawson travels with boxes of white powder and a gram scale. Airline security officials have noticed.

Hormone replacement therapy, 10 years after claims of a cancer link

Hormone replacement therapy, 10 years after claims of a cancer link

Therapy to treat menopause symptoms has been among the most confusing issues in medicine.

Government task force discourages routine testing for prostate cancer

Government task force discourages routine testing for prostate cancer

PSA screening does more harm than good, panel finds, countering two decades of medical practice.

Graduation gowns go green

Graduation gowns go green

Washington area universities join trend of using regalia made from recycled materials.

Translation rule bedevils hospitals

Translation rule bedevils hospitals

Hospitals struggle to provide translators for patients who don’t speak English well.

Rogue planets have no stars to orbit

Rogue planets have no stars to orbit

Article looks at planets with no star to orbit; book relates dispute over discovery of antibiotic.

Maryland set to ban arsenic-containing antibiotic used in chicken feed

Maryland set to ban arsenic-containing antibiotic used in chicken feed

FDA study raises concerns about arsenic levels in Roxarsone, prompts the state to ban the drug.

Substituting prizes for drug patents

Substituting prizes for drug patents

Some say prizes would reduce cost of AIDS drugs as developers lose exclusive production rights.

Panel backs home HIV test

Panel backs home HIV test

An expert panel votes that the test’s potential benefits outweighed concerns about its accuracy.

Cancer doctors put competition aside

Cancer doctors put competition aside

Cancer doctors put competition aside to share treatment options for patients in the Washington area.

Gestures alone may control computers

Gestures alone may control computers

Wave an arm to control your computer? That’s a possibility in two new forms of “gesture computing.”

Sex therapists praise erotic novel

Sex therapists praise erotic novel

Popular “Fifty Shades of Grey” is seen as benefiting women’s sexual health and wellness.

Relatives often spot Alzheimer’s

Relatives often spot Alzheimer’s

Signs of Alzheimer’s disease, but not those of other dementias, are often noticed first by relatives.

Radioactive implants pose extra risk

Radioactive implants pose extra risk

Breast cancer study finds more complications from radioactive implants than from external X-rays.

Article details common foot ailments

Article details common foot ailments

Article explains dealing with foot problems. ADHD book covers how to manage the disorder.

Database analyzes health-care trends

Database analyzes health-care trends

A trove of data from insurance companies could soon shed light on vexing questions in health care.

Marion Barry treated for blood clot

Marion Barry treated for blood clot

Former D.C. mayor tweeted his appreciation of treatment by staff at a Las Vegas hospital.

The Checkup

Is that right? POM protects against disease?

Is it okay for POM Wonderful to say its pomegranate juice protects against heart disease and prostate cancer and remedies erectile dysfunction?

The Checkup

Study: C-section may boost child obesity risk

Women for whom a C-section is a matter of preference might want to consider some new information before opting to go that route.

The Checkup

Hormone replacement therapy, 10 years after claims of a cancer link

Therapy to treat menopause symptoms has been among the most confusing issues in medicine.

Health, Science & Environment Videos

Urban Jungle

An orchard returns

An orchard returns

An apple orchard will once again accompany Rock Creek Park’s Peirce Mill.

Medical Mysteries

A serious malady required only a simple fix

HANDOUT PHOTO: Peter Dawson, subject of 5/22/12 Medical Mystery. ONE-TIME USE ONLY for Medical Mystery of 5/22/12 (online OK in conjunction w/story)

MEDICAL MYSTERY | Because of his rare ailment, Peter Dawson travels with boxes of white powder and a gram scale. Airline security officials have noticed.

Read more Medical Mysteries

How & Why

What’s the better bulb: CFL or LED?

Light bulb comparison.

The incandescent light bulb is being replaced by CFLs and LEDs. Which is better for the environment?

Special Reports

Obesity in America 2010

One-third of U.S. children are overweight, leaving the health and productivity of an entire generation at risk.

AIDS/HIV

Virus that causes AIDS passes between U.S. and Mexico.

Inside Your Body

Find graphics, galleries and more that explain what’s happening in your body.