Is it safe to eat apples picked off city trees?

Wellesley College student Ciaran Gallagher checks the lead content in an apple tree in Cambridge.

Pat Greenhouse/Globe Staff

Urban canners and college researchers are testing out fruit grown in urban neighborhoods.

Ingestible device measures heart, breathing rates.


A pill-size diagnostic tool

The best way to monitor vital signs like breathing and heart rate may be with a microphone that listens and transmits data from inside the body.


Junk food may not be fueling obesity

People whose weight is normal, new research found, appear to consume as much junk food as people who are overweight or obese.

Deep breath

Eyeing college stress, sleep patterns

For five semesters, Rosalind Picard and Akane Sano have been tracking stress in one of the largest studies of its kind.


Another antibiotic casualty?

Chinese and British scientists reported that they have found a strain of E. coli that is resistant to colistin, the antibiotic of last resort for such bacteria.

In a new study athletes will listen to music piped in via headphones while a wrist tracker traces their heart rate.


Can the right playlist improve a training session?

In a new study by Boston startup Sync Project, athletes will listen to music piped in via headphones while a wrist tracker traces their heart rate.


Mass. earns a ‘B’ in preterm birth rate

Despite a steady decline in premature births since 2006, an estimated 1 in every 10 babies was born too early last year, according to March of Dimes.

“Three-fourths of our food comes from just 12 plants and five animals,” said Simran Sethi, who traversed six continents to conduct interviews for “Bread, Wine, Chocolate: The Slow Loss of Foods We Love.”


Highlighting efforts to preserve biodiversity

Simran Sethi describes how environmental and economic forces have decreased biodiversity and threatened the existence of some of our favorite foods.

Abbie Hausermann (left) and client Lara Andrews at Wilson Mountain Reservation in Dedham.

New course of treatment brings therapy to the great outdoors

Ecotherapy is where clients and therapists take to the outdoors to mull over issues, citing benefits of sunlight and exercise.

STAT | Gut Check

// Do antioxidants promote health — or fuel cancer?

“There is no credible evidence that antioxidant supplementation positively affects health in general, or cancer risk in particular,” an expert said.


// Using stick-on ‘tattoo’ to track blood flow

The nearly invisible “tattoo,” made of feather-light electronics, could relay information about the health of your heart and blood pressure to doctors.


// Identifying siblings’ food allergy risk

Siblings of children with a food allergy have only a slightly higher risk than the general population, new research shows.

Home Life

// Children of same-sex parents fare as well as others, studies say

A number of child-focused organizations, including the American Academy of Pediatrics, have long supported gay and lesbian parenting.

// Survival guide for running and biking in the dark

Adding reflective stripes to your joints is one way to tell drivers you are a moving person, not a stationary object.


// Unvaccinated babies refused by some doctors

A new survey finds that one in five pediatricians regularly turns away families who won’t get their infants vaccinated.


// Magnetic 3-D printing from Northeastern could help newborns

A new process of 3-D printing strong, flexible materials is being shrunk down to make custom medical devices for newborns.


// Lyme disease antibody eyed

Researchers at the University of Massachusetts Medical School are trying to develop a drug that could be administered to those at rusk annually.


// Physician’s essays a fine body of work

“Adventures in Human Being: A Grand Tour From the Cranium to the Calcaneum,”offers an unusually upbeat medical perspective.

// Shocking events really can trigger heart problems

Primitive survival systems developed over millions of years can put stress on the body and, in very rare cases, lead to heart failure.


// Light-powered hearts?

Researchers have manipulated the heartbeat of fruit flies using bursts of light in a tentative step toward what could be a noninvasive human pacemaker.


// Diabetes education on virtual platform Second Life shows real-world results

Patients that met, talked, and took classes entirely online as an avatar in the virtual world reported exercising more than a group that met in class.

Special section: Mass. health care law

Massachusetts health care law

Here you will find coverage of the law’s provisions, the debate that led to its enactment, Romney’s role in its passage, and what’s happened in Massachusetts since the law passed.